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Finding the Fourth Proportional to 59,780.38, 89,676.99 and 22,358.38

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Solution

The fourth proportional to 59,780.38, 89,676.99 and 22,358.38 is: 33,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,780.38 : 89,676.99 = 22,358.38 : x
  2. Step 2: Convert to fraction form
    59,780.38/89,676.99 = 22,358.38/x
  3. Step 3: Cross multiply
    59,780.38x = 89,676.99 × 22,358.38
  4. Step 4: Simplify right side
    59,780.38x = 2,005,032,219.68
  5. Step 5: Solve for x
    x = 2,005,032,219.68/59,780.38
  6. Step 6: Final answer
    x = 33,539.97

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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.