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Finding the Fourth Proportional to 59,659.74, 89,470.68 and 20,207.61

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Solution

The fourth proportional to 59,659.74, 89,470.68 and 20,207.61 is: 30,305.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,659.74 : 89,470.68 = 20,207.61 : x
  2. Step 2: Convert to fraction form
    59,659.74/89,470.68 = 20,207.61/x
  3. Step 3: Cross multiply
    59,659.74x = 89,470.68 × 20,207.61
  4. Step 4: Simplify right side
    59,659.74x = 1,807,988,532.10
  5. Step 5: Solve for x
    x = 1,807,988,532.10/59,659.74
  6. Step 6: Final answer
    x = 30,305.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.