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Finding the Fourth Proportional to 52,246.60, 72,100.08 and 28,373.08

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Solution

The fourth proportional to 52,246.60, 72,100.08 and 28,373.08 is: 39,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,246.60 : 72,100.08 = 28,373.08 : x
  2. Step 2: Convert to fraction form
    52,246.60/72,100.08 = 28,373.08/x
  3. Step 3: Cross multiply
    52,246.60x = 72,100.08 × 28,373.08
  4. Step 4: Simplify right side
    52,246.60x = 2,045,701,337.85
  5. Step 5: Solve for x
    x = 2,045,701,337.85/52,246.60
  6. Step 6: Final answer
    x = 39,154.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.