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Finding the Fourth Proportional to 1,835.64, 2,532.54 and 1,089.82

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Solution

The fourth proportional to 1,835.64, 2,532.54 and 1,089.82 is: 1,503.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.64 : 2,532.54 = 1,089.82 : x
  2. Step 2: Convert to fraction form
    1,835.64/2,532.54 = 1,089.82/x
  3. Step 3: Cross multiply
    1,835.64x = 2,532.54 × 1,089.82
  4. Step 4: Simplify right side
    1,835.64x = 2,760,012.74
  5. Step 5: Solve for x
    x = 2,760,012.74/1,835.64
  6. Step 6: Final answer
    x = 1,503.57

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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.