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Finding the Fourth Proportional to 6,959.97, 10,437.74 and 2,278.72

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Solution

The fourth proportional to 6,959.97, 10,437.74 and 2,278.72 is: 3,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,959.97 : 10,437.74 = 2,278.72 : x
  2. Step 2: Convert to fraction form
    6,959.97/10,437.74 = 2,278.72/x
  3. Step 3: Cross multiply
    6,959.97x = 10,437.74 × 2,278.72
  4. Step 4: Simplify right side
    6,959.97x = 23,784,686.89
  5. Step 5: Solve for x
    x = 23,784,686.89/6,959.97
  6. Step 6: Final answer
    x = 3,417.35

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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.