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Finding the Fourth Proportional to 40,552.74, 60,829.74 and 14,257.80

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Solution

The fourth proportional to 40,552.74, 60,829.74 and 14,257.80 is: 21,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,552.74 : 60,829.74 = 14,257.80 : x
  2. Step 2: Convert to fraction form
    40,552.74/60,829.74 = 14,257.80/x
  3. Step 3: Cross multiply
    40,552.74x = 60,829.74 × 14,257.80
  4. Step 4: Simplify right side
    40,552.74x = 867,298,266.97
  5. Step 5: Solve for x
    x = 867,298,266.97/40,552.74
  6. Step 6: Final answer
    x = 21,386.92

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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.