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Finding the Fourth Proportional to 4,865.03, 6,711.03 and 3,189.14

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Solution

The fourth proportional to 4,865.03, 6,711.03 and 3,189.14 is: 4,399.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.03 : 6,711.03 = 3,189.14 : x
  2. Step 2: Convert to fraction form
    4,865.03/6,711.03 = 3,189.14/x
  3. Step 3: Cross multiply
    4,865.03x = 6,711.03 × 3,189.14
  4. Step 4: Simplify right side
    4,865.03x = 21,402,392.62
  5. Step 5: Solve for x
    x = 21,402,392.62/4,865.03
  6. Step 6: Final answer
    x = 4,399.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.