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Finding the Fourth Proportional to 1,758.52, 2,637.06 and 892.36

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Solution

The fourth proportional to 1,758.52, 2,637.06 and 892.36 is: 1,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.52 : 2,637.06 = 892.36 : x
  2. Step 2: Convert to fraction form
    1,758.52/2,637.06 = 892.36/x
  3. Step 3: Cross multiply
    1,758.52x = 2,637.06 × 892.36
  4. Step 4: Simplify right side
    1,758.52x = 2,353,206.86
  5. Step 5: Solve for x
    x = 2,353,206.86/1,758.52
  6. Step 6: Final answer
    x = 1,338.17

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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.