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Finding the Fourth Proportional to 61,713.80, 92,516.70 and 41,928.20

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Solution

The fourth proportional to 61,713.80, 92,516.70 and 41,928.20 is: 62,855.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,713.80 : 92,516.70 = 41,928.20 : x
  2. Step 2: Convert to fraction form
    61,713.80/92,516.70 = 41,928.20/x
  3. Step 3: Cross multiply
    61,713.80x = 92,516.70 × 41,928.20
  4. Step 4: Simplify right side
    61,713.80x = 3,879,058,700.94
  5. Step 5: Solve for x
    x = 3,879,058,700.94/61,713.80
  6. Step 6: Final answer
    x = 62,855.61

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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.