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Finding the Fourth Proportional to 13,294.46, 18,348.10 and 8,592.40

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Solution

The fourth proportional to 13,294.46, 18,348.10 and 8,592.40 is: 11,858.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.46 : 18,348.10 = 8,592.40 : x
  2. Step 2: Convert to fraction form
    13,294.46/18,348.10 = 8,592.40/x
  3. Step 3: Cross multiply
    13,294.46x = 18,348.10 × 8,592.40
  4. Step 4: Simplify right side
    13,294.46x = 157,654,214.44
  5. Step 5: Solve for x
    x = 157,654,214.44/13,294.46
  6. Step 6: Final answer
    x = 11,858.64

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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.