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Finding the Fourth Proportional to 8,842.96, 13,264.39 and 2,686.96

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Solution

The fourth proportional to 8,842.96, 13,264.39 and 2,686.96 is: 4,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.96 : 13,264.39 = 2,686.96 : x
  2. Step 2: Convert to fraction form
    8,842.96/13,264.39 = 2,686.96/x
  3. Step 3: Cross multiply
    8,842.96x = 13,264.39 × 2,686.96
  4. Step 4: Simplify right side
    8,842.96x = 35,640,885.35
  5. Step 5: Solve for x
    x = 35,640,885.35/8,842.96
  6. Step 6: Final answer
    x = 4,030.42

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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.