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Finding the Fourth Proportional to 9,263.28, 13,885.20 and 5,753.28

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Solution

The fourth proportional to 9,263.28, 13,885.20 and 5,753.28 is: 8,623.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.28 : 13,885.20 = 5,753.28 : x
  2. Step 2: Convert to fraction form
    9,263.28/13,885.20 = 5,753.28/x
  3. Step 3: Cross multiply
    9,263.28x = 13,885.20 × 5,753.28
  4. Step 4: Simplify right side
    9,263.28x = 79,885,443.46
  5. Step 5: Solve for x
    x = 79,885,443.46/9,263.28
  6. Step 6: Final answer
    x = 8,623.88

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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.