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Finding the Fourth Proportional to 8,951.01, 12,351.02 and 5,173.45

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Solution

The fourth proportional to 8,951.01, 12,351.02 and 5,173.45 is: 7,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.01 : 12,351.02 = 5,173.45 : x
  2. Step 2: Convert to fraction form
    8,951.01/12,351.02 = 5,173.45/x
  3. Step 3: Cross multiply
    8,951.01x = 12,351.02 × 5,173.45
  4. Step 4: Simplify right side
    8,951.01x = 63,897,331.64
  5. Step 5: Solve for x
    x = 63,897,331.64/8,951.01
  6. Step 6: Final answer
    x = 7,138.56

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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.