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Finding the Fourth Proportional to 61,745.79, 92,520.27 and 39,540.90

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Solution

The fourth proportional to 61,745.79, 92,520.27 and 39,540.90 is: 59,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,745.79 : 92,520.27 = 39,540.90 : x
  2. Step 2: Convert to fraction form
    61,745.79/92,520.27 = 39,540.90/x
  3. Step 3: Cross multiply
    61,745.79x = 92,520.27 × 39,540.90
  4. Step 4: Simplify right side
    61,745.79x = 3,658,334,744.04
  5. Step 5: Solve for x
    x = 3,658,334,744.04/61,745.79
  6. Step 6: Final answer
    x = 59,248.33

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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.