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Finding the Fourth Proportional to 59,213.80, 81,722.82 and 37,998.28

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Solution

The fourth proportional to 59,213.80, 81,722.82 and 37,998.28 is: 52,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,213.80 : 81,722.82 = 37,998.28 : x
  2. Step 2: Convert to fraction form
    59,213.80/81,722.82 = 37,998.28/x
  3. Step 3: Cross multiply
    59,213.80x = 81,722.82 × 37,998.28
  4. Step 4: Simplify right side
    59,213.80x = 3,105,326,596.75
  5. Step 5: Solve for x
    x = 3,105,326,596.75/59,213.80
  6. Step 6: Final answer
    x = 52,442.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.