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Finding the Fourth Proportional to 8,476.85, 12,722.99 and 4,531.46

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Solution

The fourth proportional to 8,476.85, 12,722.99 and 4,531.46 is: 6,801.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.85 : 12,722.99 = 4,531.46 : x
  2. Step 2: Convert to fraction form
    8,476.85/12,722.99 = 4,531.46/x
  3. Step 3: Cross multiply
    8,476.85x = 12,722.99 × 4,531.46
  4. Step 4: Simplify right side
    8,476.85x = 57,653,633.99
  5. Step 5: Solve for x
    x = 57,653,633.99/8,476.85
  6. Step 6: Final answer
    x = 6,801.30

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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.