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Finding the Fourth Proportional to 4,668.66, 6,442.02 and 2,678.94

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Solution

The fourth proportional to 4,668.66, 6,442.02 and 2,678.94 is: 3,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.66 : 6,442.02 = 2,678.94 : x
  2. Step 2: Convert to fraction form
    4,668.66/6,442.02 = 2,678.94/x
  3. Step 3: Cross multiply
    4,668.66x = 6,442.02 × 2,678.94
  4. Step 4: Simplify right side
    4,668.66x = 17,257,785.06
  5. Step 5: Solve for x
    x = 17,257,785.06/4,668.66
  6. Step 6: Final answer
    x = 3,696.52

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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.