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Finding the Fourth Proportional to 57,397.62, 86,110.32 and 19,952.28

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Solution

The fourth proportional to 57,397.62, 86,110.32 and 19,952.28 is: 29,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,397.62 : 86,110.32 = 19,952.28 : x
  2. Step 2: Convert to fraction form
    57,397.62/86,110.32 = 19,952.28/x
  3. Step 3: Cross multiply
    57,397.62x = 86,110.32 × 19,952.28
  4. Step 4: Simplify right side
    57,397.62x = 1,718,097,215.53
  5. Step 5: Solve for x
    x = 1,718,097,215.53/57,397.62
  6. Step 6: Final answer
    x = 29,933.25

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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.