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Finding the Fourth Proportional to 49,248.60, 73,860.90 and 14,184.60

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Solution

The fourth proportional to 49,248.60, 73,860.90 and 14,184.60 is: 21,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,248.60 : 73,860.90 = 14,184.60 : x
  2. Step 2: Convert to fraction form
    49,248.60/73,860.90 = 14,184.60/x
  3. Step 3: Cross multiply
    49,248.60x = 73,860.90 × 14,184.60
  4. Step 4: Simplify right side
    49,248.60x = 1,047,687,322.14
  5. Step 5: Solve for x
    x = 1,047,687,322.14/49,248.60
  6. Step 6: Final answer
    x = 21,273.44

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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.