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Finding the Fourth Proportional to 59,018.80, 81,445.95 and 32,161.30

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Solution

The fourth proportional to 59,018.80, 81,445.95 and 32,161.30 is: 44,382.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,018.80 : 81,445.95 = 32,161.30 : x
  2. Step 2: Convert to fraction form
    59,018.80/81,445.95 = 32,161.30/x
  3. Step 3: Cross multiply
    59,018.80x = 81,445.95 × 32,161.30
  4. Step 4: Simplify right side
    59,018.80x = 2,619,407,470.93
  5. Step 5: Solve for x
    x = 2,619,407,470.93/59,018.80
  6. Step 6: Final answer
    x = 44,382.59

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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.