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Finding the Fourth Proportional to 7,248.69, 10,860.25 and 6,349.18

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Solution

The fourth proportional to 7,248.69, 10,860.25 and 6,349.18 is: 9,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.69 : 10,860.25 = 6,349.18 : x
  2. Step 2: Convert to fraction form
    7,248.69/10,860.25 = 6,349.18/x
  3. Step 3: Cross multiply
    7,248.69x = 10,860.25 × 6,349.18
  4. Step 4: Simplify right side
    7,248.69x = 68,953,682.10
  5. Step 5: Solve for x
    x = 68,953,682.10/7,248.69
  6. Step 6: Final answer
    x = 9,512.57

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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.