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Finding the Fourth Proportional to 1,742.00, 2,403.95 and 956.04

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Solution

The fourth proportional to 1,742.00, 2,403.95 and 956.04 is: 1,319.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.00 : 2,403.95 = 956.04 : x
  2. Step 2: Convert to fraction form
    1,742.00/2,403.95 = 956.04/x
  3. Step 3: Cross multiply
    1,742.00x = 2,403.95 × 956.04
  4. Step 4: Simplify right side
    1,742.00x = 2,298,258.56
  5. Step 5: Solve for x
    x = 2,298,258.56/1,742.00
  6. Step 6: Final answer
    x = 1,319.33

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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.