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Finding the Fourth Proportional to 41,192.80, 61,702.80 and 34,280.80

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Solution

The fourth proportional to 41,192.80, 61,702.80 and 34,280.80 is: 51,349.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,192.80 : 61,702.80 = 34,280.80 : x
  2. Step 2: Convert to fraction form
    41,192.80/61,702.80 = 34,280.80/x
  3. Step 3: Cross multiply
    41,192.80x = 61,702.80 × 34,280.80
  4. Step 4: Simplify right side
    41,192.80x = 2,115,221,346.24
  5. Step 5: Solve for x
    x = 2,115,221,346.24/41,192.80
  6. Step 6: Final answer
    x = 51,349.30

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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.