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Finding the Fourth Proportional to 61,752.80, 92,628.39 and 15,005.54

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Solution

The fourth proportional to 61,752.80, 92,628.39 and 15,005.54 is: 22,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,752.80 : 92,628.39 = 15,005.54 : x
  2. Step 2: Convert to fraction form
    61,752.80/92,628.39 = 15,005.54/x
  3. Step 3: Cross multiply
    61,752.80x = 92,628.39 × 15,005.54
  4. Step 4: Simplify right side
    61,752.80x = 1,389,939,011.28
  5. Step 5: Solve for x
    x = 1,389,939,011.28/61,752.80
  6. Step 6: Final answer
    x = 22,508.11

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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.