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Finding the Fourth Proportional to 73,932.40, 110,914.80 and 36,510.40

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Solution

The fourth proportional to 73,932.40, 110,914.80 and 36,510.40 is: 54,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,932.40 : 110,914.80 = 36,510.40 : x
  2. Step 2: Convert to fraction form
    73,932.40/110,914.80 = 36,510.40/x
  3. Step 3: Cross multiply
    73,932.40x = 110,914.80 × 36,510.40
  4. Step 4: Simplify right side
    73,932.40x = 4,049,543,713.92
  5. Step 5: Solve for x
    x = 4,049,543,713.92/73,932.40
  6. Step 6: Final answer
    x = 54,773.60

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1.5x scale

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.