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Finding the Fourth Proportional to 59,853.60, 89,877.60 and 40,219.20

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Solution

The fourth proportional to 59,853.60, 89,877.60 and 40,219.20 is: 60,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,853.60 : 89,877.60 = 40,219.20 : x
  2. Step 2: Convert to fraction form
    59,853.60/89,877.60 = 40,219.20/x
  3. Step 3: Cross multiply
    59,853.60x = 89,877.60 × 40,219.20
  4. Step 4: Simplify right side
    59,853.60x = 3,614,805,169.92
  5. Step 5: Solve for x
    x = 3,614,805,169.92/59,853.60
  6. Step 6: Final answer
    x = 60,394.11

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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.