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Finding the Fourth Proportional to 2,943.06, 4,414.24 and 751.63

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Solution

The fourth proportional to 2,943.06, 4,414.24 and 751.63 is: 1,127.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.06 : 4,414.24 = 751.63 : x
  2. Step 2: Convert to fraction form
    2,943.06/4,414.24 = 751.63/x
  3. Step 3: Cross multiply
    2,943.06x = 4,414.24 × 751.63
  4. Step 4: Simplify right side
    2,943.06x = 3,317,875.21
  5. Step 5: Solve for x
    x = 3,317,875.21/2,943.06
  6. Step 6: Final answer
    x = 1,127.36

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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.