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Finding the Fourth Proportional to 48,294.61, 66,710.61 and 40,254.66

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Solution

The fourth proportional to 48,294.61, 66,710.61 and 40,254.66 is: 55,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,294.61 : 66,710.61 = 40,254.66 : x
  2. Step 2: Convert to fraction form
    48,294.61/66,710.61 = 40,254.66/x
  3. Step 3: Cross multiply
    48,294.61x = 66,710.61 × 40,254.66
  4. Step 4: Simplify right side
    48,294.61x = 2,685,412,923.94
  5. Step 5: Solve for x
    x = 2,685,412,923.94/48,294.61
  6. Step 6: Final answer
    x = 55,604.82

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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.