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Finding the Fourth Proportional to 12,373.70, 17,076.04 and 6,995.71

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Solution

The fourth proportional to 12,373.70, 17,076.04 and 6,995.71 is: 9,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.70 : 17,076.04 = 6,995.71 : x
  2. Step 2: Convert to fraction form
    12,373.70/17,076.04 = 6,995.71/x
  3. Step 3: Cross multiply
    12,373.70x = 17,076.04 × 6,995.71
  4. Step 4: Simplify right side
    12,373.70x = 119,458,963.61
  5. Step 5: Solve for x
    x = 119,458,963.61/12,373.70
  6. Step 6: Final answer
    x = 9,654.26

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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.