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Finding the Fourth Proportional to 1,932.66, 2,899.26 and 958.50

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Solution

The fourth proportional to 1,932.66, 2,899.26 and 958.50 is: 1,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.66 : 2,899.26 = 958.50 : x
  2. Step 2: Convert to fraction form
    1,932.66/2,899.26 = 958.50/x
  3. Step 3: Cross multiply
    1,932.66x = 2,899.26 × 958.50
  4. Step 4: Simplify right side
    1,932.66x = 2,778,940.71
  5. Step 5: Solve for x
    x = 2,778,940.71/1,932.66
  6. Step 6: Final answer
    x = 1,437.88

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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.