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Finding the Fourth Proportional to 12,549.93, 17,318.91 and 6,960.93

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Solution

The fourth proportional to 12,549.93, 17,318.91 and 6,960.93 is: 9,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.93 : 17,318.91 = 6,960.93 : x
  2. Step 2: Convert to fraction form
    12,549.93/17,318.91 = 6,960.93/x
  3. Step 3: Cross multiply
    12,549.93x = 17,318.91 × 6,960.93
  4. Step 4: Simplify right side
    12,549.93x = 120,555,685.38
  5. Step 5: Solve for x
    x = 120,555,685.38/12,549.93
  6. Step 6: Final answer
    x = 9,606.08

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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.