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Finding the Fourth Proportional to 61,840, 92,760.26 and 26,292.16

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Solution

The fourth proportional to 61,840, 92,760.26 and 26,292.16 is: 39,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,840 : 92,760.26 = 26,292.16 : x
  2. Step 2: Convert to fraction form
    61,840/92,760.26 = 26,292.16/x
  3. Step 3: Cross multiply
    61,840x = 92,760.26 × 26,292.16
  4. Step 4: Simplify right side
    61,840x = 2,438,867,597.56
  5. Step 5: Solve for x
    x = 2,438,867,597.56/61,840
  6. Step 6: Final answer
    x = 39,438.35

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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.