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Finding the Fourth Proportional to 5,269.20, 7,903.80 and 5,026.20

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Solution

The fourth proportional to 5,269.20, 7,903.80 and 5,026.20 is: 7,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.20 : 7,903.80 = 5,026.20 : x
  2. Step 2: Convert to fraction form
    5,269.20/7,903.80 = 5,026.20/x
  3. Step 3: Cross multiply
    5,269.20x = 7,903.80 × 5,026.20
  4. Step 4: Simplify right side
    5,269.20x = 39,726,079.56
  5. Step 5: Solve for x
    x = 39,726,079.56/5,269.20
  6. Step 6: Final answer
    x = 7,539.30

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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.