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Finding the Fourth Proportional to 4,668.56, 6,442.64 and 2,572.68

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Solution

The fourth proportional to 4,668.56, 6,442.64 and 2,572.68 is: 3,550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.56 : 6,442.64 = 2,572.68 : x
  2. Step 2: Convert to fraction form
    4,668.56/6,442.64 = 2,572.68/x
  3. Step 3: Cross multiply
    4,668.56x = 6,442.64 × 2,572.68
  4. Step 4: Simplify right side
    4,668.56x = 16,574,851.08
  5. Step 5: Solve for x
    x = 16,574,851.08/4,668.56
  6. Step 6: Final answer
    x = 3,550.31

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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.