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Finding the Fourth Proportional to 59,025.47, 81,445.90 and 33,178.90

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Solution

The fourth proportional to 59,025.47, 81,445.90 and 33,178.90 is: 45,781.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,025.47 : 81,445.90 = 33,178.90 : x
  2. Step 2: Convert to fraction form
    59,025.47/81,445.90 = 33,178.90/x
  3. Step 3: Cross multiply
    59,025.47x = 81,445.90 × 33,178.90
  4. Step 4: Simplify right side
    59,025.47x = 2,702,285,084.95
  5. Step 5: Solve for x
    x = 2,702,285,084.95/59,025.47
  6. Step 6: Final answer
    x = 45,781.68

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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.