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Finding the Fourth Proportional to 6,508.80, 9,748.80 and 5,356.80

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Solution

The fourth proportional to 6,508.80, 9,748.80 and 5,356.80 is: 8,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.80 : 9,748.80 = 5,356.80 : x
  2. Step 2: Convert to fraction form
    6,508.80/9,748.80 = 5,356.80/x
  3. Step 3: Cross multiply
    6,508.80x = 9,748.80 × 5,356.80
  4. Step 4: Simplify right side
    6,508.80x = 52,222,371.84
  5. Step 5: Solve for x
    x = 52,222,371.84/6,508.80
  6. Step 6: Final answer
    x = 8,023.35

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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.