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Finding the Fourth Proportional to 59,641.60, 82,293.78 and 38,417.80

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Solution

The fourth proportional to 59,641.60, 82,293.78 and 38,417.80 is: 53,009.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,641.60 : 82,293.78 = 38,417.80 : x
  2. Step 2: Convert to fraction form
    59,641.60/82,293.78 = 38,417.80/x
  3. Step 3: Cross multiply
    59,641.60x = 82,293.78 × 38,417.80
  4. Step 4: Simplify right side
    59,641.60x = 3,161,545,981.28
  5. Step 5: Solve for x
    x = 3,161,545,981.28/59,641.60
  6. Step 6: Final answer
    x = 53,009.07

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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.