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Finding the Fourth Proportional to 10,960.61, 15,125.54 and 6,719.04

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Solution

The fourth proportional to 10,960.61, 15,125.54 and 6,719.04 is: 9,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.61 : 15,125.54 = 6,719.04 : x
  2. Step 2: Convert to fraction form
    10,960.61/15,125.54 = 6,719.04/x
  3. Step 3: Cross multiply
    10,960.61x = 15,125.54 × 6,719.04
  4. Step 4: Simplify right side
    10,960.61x = 101,629,074.69
  5. Step 5: Solve for x
    x = 101,629,074.69/10,960.61
  6. Step 6: Final answer
    x = 9,272.21

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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.