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Finding the Fourth Proportional to 7,176.44, 9,882.06 and 6,653.72

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Solution

The fourth proportional to 7,176.44, 9,882.06 and 6,653.72 is: 9,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.44 : 9,882.06 = 6,653.72 : x
  2. Step 2: Convert to fraction form
    7,176.44/9,882.06 = 6,653.72/x
  3. Step 3: Cross multiply
    7,176.44x = 9,882.06 × 6,653.72
  4. Step 4: Simplify right side
    7,176.44x = 65,752,460.26
  5. Step 5: Solve for x
    x = 65,752,460.26/7,176.44
  6. Step 6: Final answer
    x = 9,162.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.