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Finding the Fourth Proportional to 8,720.68, 12,014.19 and 6,063.47

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Solution

The fourth proportional to 8,720.68, 12,014.19 and 6,063.47 is: 8,353.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.68 : 12,014.19 = 6,063.47 : x
  2. Step 2: Convert to fraction form
    8,720.68/12,014.19 = 6,063.47/x
  3. Step 3: Cross multiply
    8,720.68x = 12,014.19 × 6,063.47
  4. Step 4: Simplify right side
    8,720.68x = 72,847,733.20
  5. Step 5: Solve for x
    x = 72,847,733.20/8,720.68
  6. Step 6: Final answer
    x = 8,353.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.