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Finding the Fourth Proportional to 9,568.80, 14,353.20 and 8,548.20

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Solution

The fourth proportional to 9,568.80, 14,353.20 and 8,548.20 is: 12,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,568.80 : 14,353.20 = 8,548.20 : x
  2. Step 2: Convert to fraction form
    9,568.80/14,353.20 = 8,548.20/x
  3. Step 3: Cross multiply
    9,568.80x = 14,353.20 × 8,548.20
  4. Step 4: Simplify right side
    9,568.80x = 122,694,024.24
  5. Step 5: Solve for x
    x = 122,694,024.24/9,568.80
  6. Step 6: Final answer
    x = 12,822.30

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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.