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Finding the Fourth Proportional to 26,473.52, 39,712.50 and 7,752.80

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Solution

The fourth proportional to 26,473.52, 39,712.50 and 7,752.80 is: 11,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,473.52 : 39,712.50 = 7,752.80 : x
  2. Step 2: Convert to fraction form
    26,473.52/39,712.50 = 7,752.80/x
  3. Step 3: Cross multiply
    26,473.52x = 39,712.50 × 7,752.80
  4. Step 4: Simplify right side
    26,473.52x = 307,883,070
  5. Step 5: Solve for x
    x = 307,883,070/26,473.52
  6. Step 6: Final answer
    x = 11,629.85

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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.