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Finding the Fourth Proportional to 44,018.60, 65,926.65 and 36,145.40

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Solution

The fourth proportional to 44,018.60, 65,926.65 and 36,145.40 is: 54,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,018.60 : 65,926.65 = 36,145.40 : x
  2. Step 2: Convert to fraction form
    44,018.60/65,926.65 = 36,145.40/x
  3. Step 3: Cross multiply
    44,018.60x = 65,926.65 × 36,145.40
  4. Step 4: Simplify right side
    44,018.60x = 2,382,945,134.91
  5. Step 5: Solve for x
    x = 2,382,945,134.91/44,018.60
  6. Step 6: Final answer
    x = 54,134.96

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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.