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Finding the Fourth Proportional to 14,000.60, 20,987.52 and 9,850.16

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Solution

The fourth proportional to 14,000.60, 20,987.52 and 9,850.16 is: 14,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.60 : 20,987.52 = 9,850.16 : x
  2. Step 2: Convert to fraction form
    14,000.60/20,987.52 = 9,850.16/x
  3. Step 3: Cross multiply
    14,000.60x = 20,987.52 × 9,850.16
  4. Step 4: Simplify right side
    14,000.60x = 206,730,430.00
  5. Step 5: Solve for x
    x = 206,730,430.00/14,000.60
  6. Step 6: Final answer
    x = 14,765.83

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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.