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Finding the Fourth Proportional to 8,675.97, 13,019.64 and 3,482.25

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Solution

The fourth proportional to 8,675.97, 13,019.64 and 3,482.25 is: 5,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.97 : 13,019.64 = 3,482.25 : x
  2. Step 2: Convert to fraction form
    8,675.97/13,019.64 = 3,482.25/x
  3. Step 3: Cross multiply
    8,675.97x = 13,019.64 × 3,482.25
  4. Step 4: Simplify right side
    8,675.97x = 45,337,641.39
  5. Step 5: Solve for x
    x = 45,337,641.39/8,675.97
  6. Step 6: Final answer
    x = 5,225.66

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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.