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Finding the Fourth Proportional to 40,357.00, 60,535.80 and 14,061.70

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Solution

The fourth proportional to 40,357.00, 60,535.80 and 14,061.70 is: 21,092.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,357.00 : 60,535.80 = 14,061.70 : x
  2. Step 2: Convert to fraction form
    40,357.00/60,535.80 = 14,061.70/x
  3. Step 3: Cross multiply
    40,357.00x = 60,535.80 × 14,061.70
  4. Step 4: Simplify right side
    40,357.00x = 851,236,107.52
  5. Step 5: Solve for x
    x = 851,236,107.52/40,357.00
  6. Step 6: Final answer
    x = 21,092.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.