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Finding the Fourth Proportional to 6,924.58, 10,387.14 and 1,994.92

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Solution

The fourth proportional to 6,924.58, 10,387.14 and 1,994.92 is: 2,992.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.58 : 10,387.14 = 1,994.92 : x
  2. Step 2: Convert to fraction form
    6,924.58/10,387.14 = 1,994.92/x
  3. Step 3: Cross multiply
    6,924.58x = 10,387.14 × 1,994.92
  4. Step 4: Simplify right side
    6,924.58x = 20,721,513.33
  5. Step 5: Solve for x
    x = 20,721,513.33/6,924.58
  6. Step 6: Final answer
    x = 2,992.46

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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.