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Finding the Fourth Proportional to 6,332.78, 8,741.07 and 3,681.24

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Solution

The fourth proportional to 6,332.78, 8,741.07 and 3,681.24 is: 5,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.78 : 8,741.07 = 3,681.24 : x
  2. Step 2: Convert to fraction form
    6,332.78/8,741.07 = 3,681.24/x
  3. Step 3: Cross multiply
    6,332.78x = 8,741.07 × 3,681.24
  4. Step 4: Simplify right side
    6,332.78x = 32,177,976.53
  5. Step 5: Solve for x
    x = 32,177,976.53/6,332.78
  6. Step 6: Final answer
    x = 5,081.18

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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.