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Finding the Fourth Proportional to 49,041.60, 73,486.80 and 36,502.80

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Solution

The fourth proportional to 49,041.60, 73,486.80 and 36,502.80 is: 54,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,041.60 : 73,486.80 = 36,502.80 : x
  2. Step 2: Convert to fraction form
    49,041.60/73,486.80 = 36,502.80/x
  3. Step 3: Cross multiply
    49,041.60x = 73,486.80 × 36,502.80
  4. Step 4: Simplify right side
    49,041.60x = 2,682,473,963.04
  5. Step 5: Solve for x
    x = 2,682,473,963.04/49,041.60
  6. Step 6: Final answer
    x = 54,697.93

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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.