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Finding the Fourth Proportional to 58,043.60, 80,086.18 and 36,815.12

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Solution

The fourth proportional to 58,043.60, 80,086.18 and 36,815.12 is: 50,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.60 : 80,086.18 = 36,815.12 : x
  2. Step 2: Convert to fraction form
    58,043.60/80,086.18 = 36,815.12/x
  3. Step 3: Cross multiply
    58,043.60x = 80,086.18 × 36,815.12
  4. Step 4: Simplify right side
    58,043.60x = 2,948,382,327.04
  5. Step 5: Solve for x
    x = 2,948,382,327.04/58,043.60
  6. Step 6: Final answer
    x = 50,795.99

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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.