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Finding the Fourth Proportional to 6,853.70, 9,458.40 and 4,334.90

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Solution

The fourth proportional to 6,853.70, 9,458.40 and 4,334.90 is: 5,982.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,853.70 : 9,458.40 = 4,334.90 : x
  2. Step 2: Convert to fraction form
    6,853.70/9,458.40 = 4,334.90/x
  3. Step 3: Cross multiply
    6,853.70x = 9,458.40 × 4,334.90
  4. Step 4: Simplify right side
    6,853.70x = 41,001,218.16
  5. Step 5: Solve for x
    x = 41,001,218.16/6,853.70
  6. Step 6: Final answer
    x = 5,982.35

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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.