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Finding the Fourth Proportional to 74,283.73, 102,500.72 and 42,446.48

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Solution

The fourth proportional to 74,283.73, 102,500.72 and 42,446.48 is: 58,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283.73 : 102,500.72 = 42,446.48 : x
  2. Step 2: Convert to fraction form
    74,283.73/102,500.72 = 42,446.48/x
  3. Step 3: Cross multiply
    74,283.73x = 102,500.72 × 42,446.48
  4. Step 4: Simplify right side
    74,283.73x = 4,350,794,036.73
  5. Step 5: Solve for x
    x = 4,350,794,036.73/74,283.73
  6. Step 6: Final answer
    x = 58,569.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.