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Finding the Fourth Proportional to 8,952.57, 13,421.16 and 3,108.42

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Solution

The fourth proportional to 8,952.57, 13,421.16 and 3,108.42 is: 4,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,952.57 : 13,421.16 = 3,108.42 : x
  2. Step 2: Convert to fraction form
    8,952.57/13,421.16 = 3,108.42/x
  3. Step 3: Cross multiply
    8,952.57x = 13,421.16 × 3,108.42
  4. Step 4: Simplify right side
    8,952.57x = 41,718,602.17
  5. Step 5: Solve for x
    x = 41,718,602.17/8,952.57
  6. Step 6: Final answer
    x = 4,659.96

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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.