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Finding the Fourth Proportional to 9,484.80, 14,227.20 and 9,052.80

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Solution

The fourth proportional to 9,484.80, 14,227.20 and 9,052.80 is: 13,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,484.80 : 14,227.20 = 9,052.80 : x
  2. Step 2: Convert to fraction form
    9,484.80/14,227.20 = 9,052.80/x
  3. Step 3: Cross multiply
    9,484.80x = 14,227.20 × 9,052.80
  4. Step 4: Simplify right side
    9,484.80x = 128,795,996.16
  5. Step 5: Solve for x
    x = 128,795,996.16/9,484.80
  6. Step 6: Final answer
    x = 13,579.20

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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.