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Finding the Fourth Proportional to 8,614.22, 12,900.80 and 5,984.35

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Solution

The fourth proportional to 8,614.22, 12,900.80 and 5,984.35 is: 8,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614.22 : 12,900.80 = 5,984.35 : x
  2. Step 2: Convert to fraction form
    8,614.22/12,900.80 = 5,984.35/x
  3. Step 3: Cross multiply
    8,614.22x = 12,900.80 × 5,984.35
  4. Step 4: Simplify right side
    8,614.22x = 77,202,885.19
  5. Step 5: Solve for x
    x = 77,202,885.19/8,614.22
  6. Step 6: Final answer
    x = 8,962.27

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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.