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Finding the Fourth Proportional to 4,668.88, 6,442.80 and 2,572.84

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Solution

The fourth proportional to 4,668.88, 6,442.80 and 2,572.84 is: 3,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.88 : 6,442.80 = 2,572.84 : x
  2. Step 2: Convert to fraction form
    4,668.88/6,442.80 = 2,572.84/x
  3. Step 3: Cross multiply
    4,668.88x = 6,442.80 × 2,572.84
  4. Step 4: Simplify right side
    4,668.88x = 16,576,293.55
  5. Step 5: Solve for x
    x = 16,576,293.55/4,668.88
  6. Step 6: Final answer
    x = 3,550.38

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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.