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Finding the Fourth Proportional to 9,002.96, 13,505.88 and 3,808.88

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Solution

The fourth proportional to 9,002.96, 13,505.88 and 3,808.88 is: 5,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002.96 : 13,505.88 = 3,808.88 : x
  2. Step 2: Convert to fraction form
    9,002.96/13,505.88 = 3,808.88/x
  3. Step 3: Cross multiply
    9,002.96x = 13,505.88 × 3,808.88
  4. Step 4: Simplify right side
    9,002.96x = 51,442,276.21
  5. Step 5: Solve for x
    x = 51,442,276.21/9,002.96
  6. Step 6: Final answer
    x = 5,713.93

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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.