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Finding the Fourth Proportional to 7,765.52, 10,704.28 and 6,355.04

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Solution

The fourth proportional to 7,765.52, 10,704.28 and 6,355.04 is: 8,760.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.52 : 10,704.28 = 6,355.04 : x
  2. Step 2: Convert to fraction form
    7,765.52/10,704.28 = 6,355.04/x
  3. Step 3: Cross multiply
    7,765.52x = 10,704.28 × 6,355.04
  4. Step 4: Simplify right side
    7,765.52x = 68,026,127.57
  5. Step 5: Solve for x
    x = 68,026,127.57/7,765.52
  6. Step 6: Final answer
    x = 8,760.02

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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.