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Finding the Fourth Proportional to 6,867.53, 9,475.96 and 3,842.72

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Solution

The fourth proportional to 6,867.53, 9,475.96 and 3,842.72 is: 5,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.53 : 9,475.96 = 3,842.72 : x
  2. Step 2: Convert to fraction form
    6,867.53/9,475.96 = 3,842.72/x
  3. Step 3: Cross multiply
    6,867.53x = 9,475.96 × 3,842.72
  4. Step 4: Simplify right side
    6,867.53x = 36,413,430.92
  5. Step 5: Solve for x
    x = 36,413,430.92/6,867.53
  6. Step 6: Final answer
    x = 5,302.26

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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.