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Finding the Fourth Proportional to 8,952.72, 13,438.26 and 5,982.18

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Solution

The fourth proportional to 8,952.72, 13,438.26 and 5,982.18 is: 8,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.72 : 13,438.26 = 5,982.18 : x
  2. Step 2: Convert to fraction form
    8,952.72/13,438.26 = 5,982.18/x
  3. Step 3: Cross multiply
    8,952.72x = 13,438.26 × 5,982.18
  4. Step 4: Simplify right side
    8,952.72x = 80,390,090.21
  5. Step 5: Solve for x
    x = 80,390,090.21/8,952.72
  6. Step 6: Final answer
    x = 8,979.40

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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.