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Finding the Fourth Proportional to 61,400.88, 92,130.48 and 26,350.56

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Solution

The fourth proportional to 61,400.88, 92,130.48 and 26,350.56 is: 39,538.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,400.88 : 92,130.48 = 26,350.56 : x
  2. Step 2: Convert to fraction form
    61,400.88/92,130.48 = 26,350.56/x
  3. Step 3: Cross multiply
    61,400.88x = 92,130.48 × 26,350.56
  4. Step 4: Simplify right side
    61,400.88x = 2,427,689,741.07
  5. Step 5: Solve for x
    x = 2,427,689,741.07/61,400.88
  6. Step 6: Final answer
    x = 39,538.35

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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.