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Finding the Fourth Proportional to 61,391.91, 92,087.52 and 15,799.57

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Solution

The fourth proportional to 61,391.91, 92,087.52 and 15,799.57 is: 23,699.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,391.91 : 92,087.52 = 15,799.57 : x
  2. Step 2: Convert to fraction form
    61,391.91/92,087.52 = 15,799.57/x
  3. Step 3: Cross multiply
    61,391.91x = 92,087.52 × 15,799.57
  4. Step 4: Simplify right side
    61,391.91x = 1,454,943,218.37
  5. Step 5: Solve for x
    x = 1,454,943,218.37/61,391.91
  6. Step 6: Final answer
    x = 23,699.27

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1.5x scale

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.