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Finding the Fourth Proportional to 9,045.56, 13,568.20 and 8,822.20

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Solution

The fourth proportional to 9,045.56, 13,568.20 and 8,822.20 is: 13,233.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,045.56 : 13,568.20 = 8,822.20 : x
  2. Step 2: Convert to fraction form
    9,045.56/13,568.20 = 8,822.20/x
  3. Step 3: Cross multiply
    9,045.56x = 13,568.20 × 8,822.20
  4. Step 4: Simplify right side
    9,045.56x = 119,701,374.04
  5. Step 5: Solve for x
    x = 119,701,374.04/9,045.56
  6. Step 6: Final answer
    x = 13,233.16

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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.