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Finding the Fourth Proportional to 4,891.76, 7,341.07 and 3,044.15

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Solution

The fourth proportional to 4,891.76, 7,341.07 and 3,044.15 is: 4,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.76 : 7,341.07 = 3,044.15 : x
  2. Step 2: Convert to fraction form
    4,891.76/7,341.07 = 3,044.15/x
  3. Step 3: Cross multiply
    4,891.76x = 7,341.07 × 3,044.15
  4. Step 4: Simplify right side
    4,891.76x = 22,347,281.54
  5. Step 5: Solve for x
    x = 22,347,281.54/4,891.76
  6. Step 6: Final answer
    x = 4,568.36

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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.