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Finding the Fourth Proportional to 52,577.70, 78,800.92 and 26,289.96

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Solution

The fourth proportional to 52,577.70, 78,800.92 and 26,289.96 is: 39,402.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,577.70 : 78,800.92 = 26,289.96 : x
  2. Step 2: Convert to fraction form
    52,577.70/78,800.92 = 26,289.96/x
  3. Step 3: Cross multiply
    52,577.70x = 78,800.92 × 26,289.96
  4. Step 4: Simplify right side
    52,577.70x = 2,071,673,034.76
  5. Step 5: Solve for x
    x = 2,071,673,034.76/52,577.70
  6. Step 6: Final answer
    x = 39,402.12

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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.