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Finding the Fourth Proportional to 6,753.12, 9,321.04 and 6,088.80

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Solution

The fourth proportional to 6,753.12, 9,321.04 and 6,088.80 is: 8,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,753.12 : 9,321.04 = 6,088.80 : x
  2. Step 2: Convert to fraction form
    6,753.12/9,321.04 = 6,088.80/x
  3. Step 3: Cross multiply
    6,753.12x = 9,321.04 × 6,088.80
  4. Step 4: Simplify right side
    6,753.12x = 56,753,948.35
  5. Step 5: Solve for x
    x = 56,753,948.35/6,753.12
  6. Step 6: Final answer
    x = 8,404.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.