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Finding the Fourth Proportional to 48,326.72, 72,496.68 and 45,410.72

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Solution

The fourth proportional to 48,326.72, 72,496.68 and 45,410.72 is: 68,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,326.72 : 72,496.68 = 45,410.72 : x
  2. Step 2: Convert to fraction form
    48,326.72/72,496.68 = 45,410.72/x
  3. Step 3: Cross multiply
    48,326.72x = 72,496.68 × 45,410.72
  4. Step 4: Simplify right side
    48,326.72x = 3,292,126,436.41
  5. Step 5: Solve for x
    x = 3,292,126,436.41/48,326.72
  6. Step 6: Final answer
    x = 68,122.28

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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.