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Finding the Fourth Proportional to 52,887.98, 72,986.60 and 29,014.65

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Solution

The fourth proportional to 52,887.98, 72,986.60 and 29,014.65 is: 40,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.98 : 72,986.60 = 29,014.65 : x
  2. Step 2: Convert to fraction form
    52,887.98/72,986.60 = 29,014.65/x
  3. Step 3: Cross multiply
    52,887.98x = 72,986.60 × 29,014.65
  4. Step 4: Simplify right side
    52,887.98x = 2,117,680,726.23
  5. Step 5: Solve for x
    x = 2,117,680,726.23/52,887.98
  6. Step 6: Final answer
    x = 40,040.87

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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.