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Finding the Fourth Proportional to 62,572.38, 93,850.74 and 20,448.94

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Solution

The fourth proportional to 62,572.38, 93,850.74 and 20,448.94 is: 30,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,572.38 : 93,850.74 = 20,448.94 : x
  2. Step 2: Convert to fraction form
    62,572.38/93,850.74 = 20,448.94/x
  3. Step 3: Cross multiply
    62,572.38x = 93,850.74 × 20,448.94
  4. Step 4: Simplify right side
    62,572.38x = 1,919,148,151.22
  5. Step 5: Solve for x
    x = 1,919,148,151.22/62,572.38
  6. Step 6: Final answer
    x = 30,670.85

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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.