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Finding the Fourth Proportional to 23,994.79, 35,992.18 and 12,886.20

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Solution

The fourth proportional to 23,994.79, 35,992.18 and 12,886.20 is: 19,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,994.79 : 35,992.18 = 12,886.20 : x
  2. Step 2: Convert to fraction form
    23,994.79/35,992.18 = 12,886.20/x
  3. Step 3: Cross multiply
    23,994.79x = 35,992.18 × 12,886.20
  4. Step 4: Simplify right side
    23,994.79x = 463,802,446.02
  5. Step 5: Solve for x
    x = 463,802,446.02/23,994.79
  6. Step 6: Final answer
    x = 19,329.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.