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Finding the Fourth Proportional to 1,758.99, 2,427.32 and 962.29

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Solution

The fourth proportional to 1,758.99, 2,427.32 and 962.29 is: 1,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.99 : 2,427.32 = 962.29 : x
  2. Step 2: Convert to fraction form
    1,758.99/2,427.32 = 962.29/x
  3. Step 3: Cross multiply
    1,758.99x = 2,427.32 × 962.29
  4. Step 4: Simplify right side
    1,758.99x = 2,335,785.76
  5. Step 5: Solve for x
    x = 2,335,785.76/1,758.99
  6. Step 6: Final answer
    x = 1,327.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.