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Finding the Fourth Proportional to 6,693.40, 10,020.90 and 6,002.20

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Solution

The fourth proportional to 6,693.40, 10,020.90 and 6,002.20 is: 8,986.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.40 : 10,020.90 = 6,002.20 : x
  2. Step 2: Convert to fraction form
    6,693.40/10,020.90 = 6,002.20/x
  3. Step 3: Cross multiply
    6,693.40x = 10,020.90 × 6,002.20
  4. Step 4: Simplify right side
    6,693.40x = 60,147,445.98
  5. Step 5: Solve for x
    x = 60,147,445.98/6,693.40
  6. Step 6: Final answer
    x = 8,986.08

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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.