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Finding the Fourth Proportional to 57,646.89, 86,463.18 and 15,530.27

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Solution

The fourth proportional to 57,646.89, 86,463.18 and 15,530.27 is: 23,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,646.89 : 86,463.18 = 15,530.27 : x
  2. Step 2: Convert to fraction form
    57,646.89/86,463.18 = 15,530.27/x
  3. Step 3: Cross multiply
    57,646.89x = 86,463.18 × 15,530.27
  4. Step 4: Simplify right side
    57,646.89x = 1,342,796,098.14
  5. Step 5: Solve for x
    x = 1,342,796,098.14/57,646.89
  6. Step 6: Final answer
    x = 23,293.47

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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.