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Finding the Fourth Proportional to 6,693.90, 10,040.88 and 2,311.32

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Solution

The fourth proportional to 6,693.90, 10,040.88 and 2,311.32 is: 3,466.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,693.90 : 10,040.88 = 2,311.32 : x
  2. Step 2: Convert to fraction form
    6,693.90/10,040.88 = 2,311.32/x
  3. Step 3: Cross multiply
    6,693.90x = 10,040.88 × 2,311.32
  4. Step 4: Simplify right side
    6,693.90x = 23,207,686.76
  5. Step 5: Solve for x
    x = 23,207,686.76/6,693.90
  6. Step 6: Final answer
    x = 3,466.99

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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.