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Finding the Fourth Proportional to 1,836.63, 2,750.03 and 1,545.03

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Solution

The fourth proportional to 1,836.63, 2,750.03 and 1,545.03 is: 2,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.63 : 2,750.03 = 1,545.03 : x
  2. Step 2: Convert to fraction form
    1,836.63/2,750.03 = 1,545.03/x
  3. Step 3: Cross multiply
    1,836.63x = 2,750.03 × 1,545.03
  4. Step 4: Simplify right side
    1,836.63x = 4,248,871.13
  5. Step 5: Solve for x
    x = 4,248,871.13/1,836.63
  6. Step 6: Final answer
    x = 2,313.41

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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.