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Finding the Fourth Proportional to 21,598.93, 32,401.14 and 8,449.62

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Solution

The fourth proportional to 21,598.93, 32,401.14 and 8,449.62 is: 12,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,598.93 : 32,401.14 = 8,449.62 : x
  2. Step 2: Convert to fraction form
    21,598.93/32,401.14 = 8,449.62/x
  3. Step 3: Cross multiply
    21,598.93x = 32,401.14 × 8,449.62
  4. Step 4: Simplify right side
    21,598.93x = 273,777,320.57
  5. Step 5: Solve for x
    x = 273,777,320.57/21,598.93
  6. Step 6: Final answer
    x = 12,675.50

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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.