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Finding the Fourth Proportional to 9,052.56, 13,555.80 and 5,579.28

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Solution

The fourth proportional to 9,052.56, 13,555.80 and 5,579.28 is: 8,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.56 : 13,555.80 = 5,579.28 : x
  2. Step 2: Convert to fraction form
    9,052.56/13,555.80 = 5,579.28/x
  3. Step 3: Cross multiply
    9,052.56x = 13,555.80 × 5,579.28
  4. Step 4: Simplify right side
    9,052.56x = 75,631,603.82
  5. Step 5: Solve for x
    x = 75,631,603.82/9,052.56
  6. Step 6: Final answer
    x = 8,354.72

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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.