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Finding the Fourth Proportional to 4,894.58, 7,341.87 and 3,440.22

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Solution

The fourth proportional to 4,894.58, 7,341.87 and 3,440.22 is: 5,160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.58 : 7,341.87 = 3,440.22 : x
  2. Step 2: Convert to fraction form
    4,894.58/7,341.87 = 3,440.22/x
  3. Step 3: Cross multiply
    4,894.58x = 7,341.87 × 3,440.22
  4. Step 4: Simplify right side
    4,894.58x = 25,257,645.65
  5. Step 5: Solve for x
    x = 25,257,645.65/4,894.58
  6. Step 6: Final answer
    x = 5,160.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.