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Finding the Fourth Proportional to 8,677.97, 13,017.04 and 2,104.17

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Solution

The fourth proportional to 8,677.97, 13,017.04 and 2,104.17 is: 3,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.97 : 13,017.04 = 2,104.17 : x
  2. Step 2: Convert to fraction form
    8,677.97/13,017.04 = 2,104.17/x
  3. Step 3: Cross multiply
    8,677.97x = 13,017.04 × 2,104.17
  4. Step 4: Simplify right side
    8,677.97x = 27,390,065.06
  5. Step 5: Solve for x
    x = 27,390,065.06/8,677.97
  6. Step 6: Final answer
    x = 3,156.28

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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.