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Finding the Fourth Proportional to 5,959.40, 8,939.10 and 5,498.60

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Solution

The fourth proportional to 5,959.40, 8,939.10 and 5,498.60 is: 8,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,959.40 : 8,939.10 = 5,498.60 : x
  2. Step 2: Convert to fraction form
    5,959.40/8,939.10 = 5,498.60/x
  3. Step 3: Cross multiply
    5,959.40x = 8,939.10 × 5,498.60
  4. Step 4: Simplify right side
    5,959.40x = 49,152,535.26
  5. Step 5: Solve for x
    x = 49,152,535.26/5,959.40
  6. Step 6: Final answer
    x = 8,247.90

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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.