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Finding the Fourth Proportional to 60,302.53, 90,456.63 and 49,753

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Solution

The fourth proportional to 60,302.53, 90,456.63 and 49,753 is: 74,631.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,302.53 : 90,456.63 = 49,753 : x
  2. Step 2: Convert to fraction form
    60,302.53/90,456.63 = 49,753/x
  3. Step 3: Cross multiply
    60,302.53x = 90,456.63 × 49,753
  4. Step 4: Simplify right side
    60,302.53x = 4,500,488,712.39
  5. Step 5: Solve for x
    x = 4,500,488,712.39/60,302.53
  6. Step 6: Final answer
    x = 74,631.84

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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.