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Finding the Fourth Proportional to 67,753.26, 93,502.98 and 40,895.40

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Solution

The fourth proportional to 67,753.26, 93,502.98 and 40,895.40 is: 56,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,753.26 : 93,502.98 = 40,895.40 : x
  2. Step 2: Convert to fraction form
    67,753.26/93,502.98 = 40,895.40/x
  3. Step 3: Cross multiply
    67,753.26x = 93,502.98 × 40,895.40
  4. Step 4: Simplify right side
    67,753.26x = 3,823,841,768.29
  5. Step 5: Solve for x
    x = 3,823,841,768.29/67,753.26
  6. Step 6: Final answer
    x = 56,437.75

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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.