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Finding the Fourth Proportional to 8,859.41, 13,289.42 and 4,693.79

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Solution

The fourth proportional to 8,859.41, 13,289.42 and 4,693.79 is: 7,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.41 : 13,289.42 = 4,693.79 : x
  2. Step 2: Convert to fraction form
    8,859.41/13,289.42 = 4,693.79/x
  3. Step 3: Cross multiply
    8,859.41x = 13,289.42 × 4,693.79
  4. Step 4: Simplify right side
    8,859.41x = 62,377,691.99
  5. Step 5: Solve for x
    x = 62,377,691.99/8,859.41
  6. Step 6: Final answer
    x = 7,040.84

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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.