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Finding the Fourth Proportional to 8,982.10, 13,473.15 and 7,102.90

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Solution

The fourth proportional to 8,982.10, 13,473.15 and 7,102.90 is: 10,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982.10 : 13,473.15 = 7,102.90 : x
  2. Step 2: Convert to fraction form
    8,982.10/13,473.15 = 7,102.90/x
  3. Step 3: Cross multiply
    8,982.10x = 13,473.15 × 7,102.90
  4. Step 4: Simplify right side
    8,982.10x = 95,698,437.14
  5. Step 5: Solve for x
    x = 95,698,437.14/8,982.10
  6. Step 6: Final answer
    x = 10,654.35

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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.