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Finding the Fourth Proportional to 59,115.40, 88,673.10 and 19,673.80

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Solution

The fourth proportional to 59,115.40, 88,673.10 and 19,673.80 is: 29,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,115.40 : 88,673.10 = 19,673.80 : x
  2. Step 2: Convert to fraction form
    59,115.40/88,673.10 = 19,673.80/x
  3. Step 3: Cross multiply
    59,115.40x = 88,673.10 × 19,673.80
  4. Step 4: Simplify right side
    59,115.40x = 1,744,536,834.78
  5. Step 5: Solve for x
    x = 1,744,536,834.78/59,115.40
  6. Step 6: Final answer
    x = 29,510.70

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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.