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Finding the Fourth Proportional to 48,892.59, 67,472.73 and 31,907.70

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Solution

The fourth proportional to 48,892.59, 67,472.73 and 31,907.70 is: 44,033.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,892.59 : 67,472.73 = 31,907.70 : x
  2. Step 2: Convert to fraction form
    48,892.59/67,472.73 = 31,907.70/x
  3. Step 3: Cross multiply
    48,892.59x = 67,472.73 × 31,907.70
  4. Step 4: Simplify right side
    48,892.59x = 2,152,899,627.02
  5. Step 5: Solve for x
    x = 2,152,899,627.02/48,892.59
  6. Step 6: Final answer
    x = 44,033.25

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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.