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Finding the Fourth Proportional to 60,424.78, 83,387.28 and 33,569.74

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Solution

The fourth proportional to 60,424.78, 83,387.28 and 33,569.74 is: 46,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,424.78 : 83,387.28 = 33,569.74 : x
  2. Step 2: Convert to fraction form
    60,424.78/83,387.28 = 33,569.74/x
  3. Step 3: Cross multiply
    60,424.78x = 83,387.28 × 33,569.74
  4. Step 4: Simplify right side
    60,424.78x = 2,799,289,308.91
  5. Step 5: Solve for x
    x = 2,799,289,308.91/60,424.78
  6. Step 6: Final answer
    x = 46,326.84

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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.