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Finding the Fourth Proportional to 6,576.66, 9,081.69 and 6,117.39

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Solution

The fourth proportional to 6,576.66, 9,081.69 and 6,117.39 is: 8,447.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576.66 : 9,081.69 = 6,117.39 : x
  2. Step 2: Convert to fraction form
    6,576.66/9,081.69 = 6,117.39/x
  3. Step 3: Cross multiply
    6,576.66x = 9,081.69 × 6,117.39
  4. Step 4: Simplify right side
    6,576.66x = 55,556,239.59
  5. Step 5: Solve for x
    x = 55,556,239.59/6,576.66
  6. Step 6: Final answer
    x = 8,447.49

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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.