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Finding the Fourth Proportional to 61,125.55, 91,726.80 and 26,064.70

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Solution

The fourth proportional to 61,125.55, 91,726.80 and 26,064.70 is: 39,113.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,125.55 : 91,726.80 = 26,064.70 : x
  2. Step 2: Convert to fraction form
    61,125.55/91,726.80 = 26,064.70/x
  3. Step 3: Cross multiply
    61,125.55x = 91,726.80 × 26,064.70
  4. Step 4: Simplify right side
    61,125.55x = 2,390,831,523.96
  5. Step 5: Solve for x
    x = 2,390,831,523.96/61,125.55
  6. Step 6: Final answer
    x = 39,113.46

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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.