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Finding the Fourth Proportional to 6,959.51, 10,439.74 and 2,799.52

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Solution

The fourth proportional to 6,959.51, 10,439.74 and 2,799.52 is: 4,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.51 : 10,439.74 = 2,799.52 : x
  2. Step 2: Convert to fraction form
    6,959.51/10,439.74 = 2,799.52/x
  3. Step 3: Cross multiply
    6,959.51x = 10,439.74 × 2,799.52
  4. Step 4: Simplify right side
    6,959.51x = 29,226,238.32
  5. Step 5: Solve for x
    x = 29,226,238.32/6,959.51
  6. Step 6: Final answer
    x = 4,199.47

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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.