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Finding the Fourth Proportional to 2,302.93, 3,454.03 and 763.93

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Solution

The fourth proportional to 2,302.93, 3,454.03 and 763.93 is: 1,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,302.93 : 3,454.03 = 763.93 : x
  2. Step 2: Convert to fraction form
    2,302.93/3,454.03 = 763.93/x
  3. Step 3: Cross multiply
    2,302.93x = 3,454.03 × 763.93
  4. Step 4: Simplify right side
    2,302.93x = 2,638,637.14
  5. Step 5: Solve for x
    x = 2,638,637.14/2,302.93
  6. Step 6: Final answer
    x = 1,145.77

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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.