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Finding the Fourth Proportional to 59,398.20, 89,034.90 and 21,934.39

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Solution

The fourth proportional to 59,398.20, 89,034.90 and 21,934.39 is: 32,878.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,398.20 : 89,034.90 = 21,934.39 : x
  2. Step 2: Convert to fraction form
    59,398.20/89,034.90 = 21,934.39/x
  3. Step 3: Cross multiply
    59,398.20x = 89,034.90 × 21,934.39
  4. Step 4: Simplify right side
    59,398.20x = 1,952,926,220.21
  5. Step 5: Solve for x
    x = 1,952,926,220.21/59,398.20
  6. Step 6: Final answer
    x = 32,878.54

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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.