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Finding the Fourth Proportional to 9,475.52, 13,080.49 and 8,984.66

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Solution

The fourth proportional to 9,475.52, 13,080.49 and 8,984.66 is: 12,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.52 : 13,080.49 = 8,984.66 : x
  2. Step 2: Convert to fraction form
    9,475.52/13,080.49 = 8,984.66/x
  3. Step 3: Cross multiply
    9,475.52x = 13,080.49 × 8,984.66
  4. Step 4: Simplify right side
    9,475.52x = 117,523,667.42
  5. Step 5: Solve for x
    x = 117,523,667.42/9,475.52
  6. Step 6: Final answer
    x = 12,402.88

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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.