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Finding the Fourth Proportional to 52,606.80, 78,756.84 and 27,587.52

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Solution

The fourth proportional to 52,606.80, 78,756.84 and 27,587.52 is: 41,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,606.80 : 78,756.84 = 27,587.52 : x
  2. Step 2: Convert to fraction form
    52,606.80/78,756.84 = 27,587.52/x
  3. Step 3: Cross multiply
    52,606.80x = 78,756.84 × 27,587.52
  4. Step 4: Simplify right side
    52,606.80x = 2,172,705,898.64
  5. Step 5: Solve for x
    x = 2,172,705,898.64/52,606.80
  6. Step 6: Final answer
    x = 41,300.86

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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.