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Finding the Fourth Proportional to 1,872.01, 2,805.54 and 1,437.04

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Solution

The fourth proportional to 1,872.01, 2,805.54 and 1,437.04 is: 2,153.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.01 : 2,805.54 = 1,437.04 : x
  2. Step 2: Convert to fraction form
    1,872.01/2,805.54 = 1,437.04/x
  3. Step 3: Cross multiply
    1,872.01x = 2,805.54 × 1,437.04
  4. Step 4: Simplify right side
    1,872.01x = 4,031,673.20
  5. Step 5: Solve for x
    x = 4,031,673.20/1,872.01
  6. Step 6: Final answer
    x = 2,153.66

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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.