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Finding the Fourth Proportional to 7,551.72, 11,326.14 and 2,934.12

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Solution

The fourth proportional to 7,551.72, 11,326.14 and 2,934.12 is: 4,400.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.72 : 11,326.14 = 2,934.12 : x
  2. Step 2: Convert to fraction form
    7,551.72/11,326.14 = 2,934.12/x
  3. Step 3: Cross multiply
    7,551.72x = 11,326.14 × 2,934.12
  4. Step 4: Simplify right side
    7,551.72x = 33,232,253.90
  5. Step 5: Solve for x
    x = 33,232,253.90/7,551.72
  6. Step 6: Final answer
    x = 4,400.62

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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.