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Finding the Fourth Proportional to 8,862.68, 13,292.19 and 4,180.68

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Solution

The fourth proportional to 8,862.68, 13,292.19 and 4,180.68 is: 6,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.68 : 13,292.19 = 4,180.68 : x
  2. Step 2: Convert to fraction form
    8,862.68/13,292.19 = 4,180.68/x
  3. Step 3: Cross multiply
    8,862.68x = 13,292.19 × 4,180.68
  4. Step 4: Simplify right side
    8,862.68x = 55,570,392.89
  5. Step 5: Solve for x
    x = 55,570,392.89/8,862.68
  6. Step 6: Final answer
    x = 6,270.16

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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.