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Finding the Fourth Proportional to 1,835.68, 2,532 and 1,276.24

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Solution

The fourth proportional to 1,835.68, 2,532 and 1,276.24 is: 1,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.68 : 2,532 = 1,276.24 : x
  2. Step 2: Convert to fraction form
    1,835.68/2,532 = 1,276.24/x
  3. Step 3: Cross multiply
    1,835.68x = 2,532 × 1,276.24
  4. Step 4: Simplify right side
    1,835.68x = 3,231,439.68
  5. Step 5: Solve for x
    x = 3,231,439.68/1,835.68
  6. Step 6: Final answer
    x = 1,760.35

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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.