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Finding the Fourth Proportional to 59,694.80, 89,542.20 and 53,243.60

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Solution

The fourth proportional to 59,694.80, 89,542.20 and 53,243.60 is: 79,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,694.80 : 89,542.20 = 53,243.60 : x
  2. Step 2: Convert to fraction form
    59,694.80/89,542.20 = 53,243.60/x
  3. Step 3: Cross multiply
    59,694.80x = 89,542.20 × 53,243.60
  4. Step 4: Simplify right side
    59,694.80x = 4,767,549,079.92
  5. Step 5: Solve for x
    x = 4,767,549,079.92/59,694.80
  6. Step 6: Final answer
    x = 79,865.40

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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.