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Finding the Fourth Proportional to 67,753.90, 93,499.08 and 40,897.54

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Solution

The fourth proportional to 67,753.90, 93,499.08 and 40,897.54 is: 56,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,753.90 : 93,499.08 = 40,897.54 : x
  2. Step 2: Convert to fraction form
    67,753.90/93,499.08 = 40,897.54/x
  3. Step 3: Cross multiply
    67,753.90x = 93,499.08 × 40,897.54
  4. Step 4: Simplify right side
    67,753.90x = 3,823,882,364.26
  5. Step 5: Solve for x
    x = 3,823,882,364.26/67,753.90
  6. Step 6: Final answer
    x = 56,437.82

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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.