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Finding the Fourth Proportional to 60,011.60, 89,844.60 and 53,790.80

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Solution

The fourth proportional to 60,011.60, 89,844.60 and 53,790.80 is: 80,531.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.60 : 89,844.60 = 53,790.80 : x
  2. Step 2: Convert to fraction form
    60,011.60/89,844.60 = 53,790.80/x
  3. Step 3: Cross multiply
    60,011.60x = 89,844.60 × 53,790.80
  4. Step 4: Simplify right side
    60,011.60x = 4,832,812,909.68
  5. Step 5: Solve for x
    x = 4,832,812,909.68/60,011.60
  6. Step 6: Final answer
    x = 80,531.31

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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.