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Finding the Fourth Proportional to 67,897, 101,871.42 and 26,347.24

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Solution

The fourth proportional to 67,897, 101,871.42 and 26,347.24 is: 39,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,897 : 101,871.42 = 26,347.24 : x
  2. Step 2: Convert to fraction form
    67,897/101,871.42 = 26,347.24/x
  3. Step 3: Cross multiply
    67,897x = 101,871.42 × 26,347.24
  4. Step 4: Simplify right side
    67,897x = 2,684,030,751.88
  5. Step 5: Solve for x
    x = 2,684,030,751.88/67,897
  6. Step 6: Final answer
    x = 39,530.92

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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.