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Finding the Fourth Proportional to 48,637.50, 72,472.75 and 43,331.74

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Solution

The fourth proportional to 48,637.50, 72,472.75 and 43,331.74 is: 64,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,637.50 : 72,472.75 = 43,331.74 : x
  2. Step 2: Convert to fraction form
    48,637.50/72,472.75 = 43,331.74/x
  3. Step 3: Cross multiply
    48,637.50x = 72,472.75 × 43,331.74
  4. Step 4: Simplify right side
    48,637.50x = 3,140,370,721.97
  5. Step 5: Solve for x
    x = 3,140,370,721.97/48,637.50
  6. Step 6: Final answer
    x = 64,566.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.