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Finding the Fourth Proportional to 7,454.88, 11,162.88 and 5,967.18

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Solution

The fourth proportional to 7,454.88, 11,162.88 and 5,967.18 is: 8,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.88 : 11,162.88 = 5,967.18 : x
  2. Step 2: Convert to fraction form
    7,454.88/11,162.88 = 5,967.18/x
  3. Step 3: Cross multiply
    7,454.88x = 11,162.88 × 5,967.18
  4. Step 4: Simplify right side
    7,454.88x = 66,610,914.28
  5. Step 5: Solve for x
    x = 66,610,914.28/7,454.88
  6. Step 6: Final answer
    x = 8,935.21

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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.