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Finding the Fourth Proportional to 2,943.52, 4,418.52 and 1,712.32

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Solution

The fourth proportional to 2,943.52, 4,418.52 and 1,712.32 is: 2,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.52 : 4,418.52 = 1,712.32 : x
  2. Step 2: Convert to fraction form
    2,943.52/4,418.52 = 1,712.32/x
  3. Step 3: Cross multiply
    2,943.52x = 4,418.52 × 1,712.32
  4. Step 4: Simplify right side
    2,943.52x = 7,565,920.17
  5. Step 5: Solve for x
    x = 7,565,920.17/2,943.52
  6. Step 6: Final answer
    x = 2,570.36

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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.