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Finding the Fourth Proportional to 8,592.80, 12,868.80 and 4,196.12

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Solution

The fourth proportional to 8,592.80, 12,868.80 and 4,196.12 is: 6,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.80 : 12,868.80 = 4,196.12 : x
  2. Step 2: Convert to fraction form
    8,592.80/12,868.80 = 4,196.12/x
  3. Step 3: Cross multiply
    8,592.80x = 12,868.80 × 4,196.12
  4. Step 4: Simplify right side
    8,592.80x = 53,999,029.06
  5. Step 5: Solve for x
    x = 53,999,029.06/8,592.80
  6. Step 6: Final answer
    x = 6,284.22

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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.