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Finding the Fourth Proportional to 4,643.52, 6,959.04 and 2,906.88

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Solution

The fourth proportional to 4,643.52, 6,959.04 and 2,906.88 is: 4,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.52 : 6,959.04 = 2,906.88 : x
  2. Step 2: Convert to fraction form
    4,643.52/6,959.04 = 2,906.88/x
  3. Step 3: Cross multiply
    4,643.52x = 6,959.04 × 2,906.88
  4. Step 4: Simplify right side
    4,643.52x = 20,229,094.20
  5. Step 5: Solve for x
    x = 20,229,094.20/4,643.52
  6. Step 6: Final answer
    x = 4,356.41

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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.