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Finding the Fourth Proportional to 41,809.92, 62,943.06 and 38,135.76

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Solution

The fourth proportional to 41,809.92, 62,943.06 and 38,135.76 is: 57,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,809.92 : 62,943.06 = 38,135.76 : x
  2. Step 2: Convert to fraction form
    41,809.92/62,943.06 = 38,135.76/x
  3. Step 3: Cross multiply
    41,809.92x = 62,943.06 × 38,135.76
  4. Step 4: Simplify right side
    41,809.92x = 2,400,381,429.83
  5. Step 5: Solve for x
    x = 2,400,381,429.83/41,809.92
  6. Step 6: Final answer
    x = 57,411.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.