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Finding the Fourth Proportional to 59,065.80, 81,486.72 and 36,083.76

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Solution

The fourth proportional to 59,065.80, 81,486.72 and 36,083.76 is: 49,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,065.80 : 81,486.72 = 36,083.76 : x
  2. Step 2: Convert to fraction form
    59,065.80/81,486.72 = 36,083.76/x
  3. Step 3: Cross multiply
    59,065.80x = 81,486.72 × 36,083.76
  4. Step 4: Simplify right side
    59,065.80x = 2,940,347,247.67
  5. Step 5: Solve for x
    x = 2,940,347,247.67/59,065.80
  6. Step 6: Final answer
    x = 49,780.88

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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.