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Finding the Fourth Proportional to 62,424.96, 93,636.50 and 20,306.96

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Solution

The fourth proportional to 62,424.96, 93,636.50 and 20,306.96 is: 30,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,424.96 : 93,636.50 = 20,306.96 : x
  2. Step 2: Convert to fraction form
    62,424.96/93,636.50 = 20,306.96/x
  3. Step 3: Cross multiply
    62,424.96x = 93,636.50 × 20,306.96
  4. Step 4: Simplify right side
    62,424.96x = 1,901,472,660.04
  5. Step 5: Solve for x
    x = 1,901,472,660.04/62,424.96
  6. Step 6: Final answer
    x = 30,460.13

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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.