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Finding the Fourth Proportional to 4,668.79, 6,442.90 and 2,572.92

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Solution

The fourth proportional to 4,668.79, 6,442.90 and 2,572.92 is: 3,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.79 : 6,442.90 = 2,572.92 : x
  2. Step 2: Convert to fraction form
    4,668.79/6,442.90 = 2,572.92/x
  3. Step 3: Cross multiply
    4,668.79x = 6,442.90 × 2,572.92
  4. Step 4: Simplify right side
    4,668.79x = 16,577,066.27
  5. Step 5: Solve for x
    x = 16,577,066.27/4,668.79
  6. Step 6: Final answer
    x = 3,550.61

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Double scale
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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.