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Finding the Fourth Proportional to 60,481, 90,760.38 and 23,545

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Solution

The fourth proportional to 60,481, 90,760.38 and 23,545 is: 35,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481 : 90,760.38 = 23,545 : x
  2. Step 2: Convert to fraction form
    60,481/90,760.38 = 23,545/x
  3. Step 3: Cross multiply
    60,481x = 90,760.38 × 23,545
  4. Step 4: Simplify right side
    60,481x = 2,136,953,147.10
  5. Step 5: Solve for x
    x = 2,136,953,147.10/60,481
  6. Step 6: Final answer
    x = 35,332.64

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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.