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Finding the Fourth Proportional to 59,115.20, 88,672.80 and 19,673.60

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Solution

The fourth proportional to 59,115.20, 88,672.80 and 19,673.60 is: 29,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,115.20 : 88,672.80 = 19,673.60 : x
  2. Step 2: Convert to fraction form
    59,115.20/88,672.80 = 19,673.60/x
  3. Step 3: Cross multiply
    59,115.20x = 88,672.80 × 19,673.60
  4. Step 4: Simplify right side
    59,115.20x = 1,744,513,198.08
  5. Step 5: Solve for x
    x = 1,744,513,198.08/59,115.20
  6. Step 6: Final answer
    x = 29,510.40

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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.