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Finding the Fourth Proportional to 59,634.60, 82,284.12 and 38,410.80

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Solution

The fourth proportional to 59,634.60, 82,284.12 and 38,410.80 is: 52,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,634.60 : 82,284.12 = 38,410.80 : x
  2. Step 2: Convert to fraction form
    59,634.60/82,284.12 = 38,410.80/x
  3. Step 3: Cross multiply
    59,634.60x = 82,284.12 × 38,410.80
  4. Step 4: Simplify right side
    59,634.60x = 3,160,598,876.50
  5. Step 5: Solve for x
    x = 3,160,598,876.50/59,634.60
  6. Step 6: Final answer
    x = 52,999.41

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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.