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Finding the Fourth Proportional to 8,693.40, 13,040.10 and 5,928.60

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Solution

The fourth proportional to 8,693.40, 13,040.10 and 5,928.60 is: 8,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.40 : 13,040.10 = 5,928.60 : x
  2. Step 2: Convert to fraction form
    8,693.40/13,040.10 = 5,928.60/x
  3. Step 3: Cross multiply
    8,693.40x = 13,040.10 × 5,928.60
  4. Step 4: Simplify right side
    8,693.40x = 77,309,536.86
  5. Step 5: Solve for x
    x = 77,309,536.86/8,693.40
  6. Step 6: Final answer
    x = 8,892.90

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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.