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Finding the Fourth Proportional to 1,452.44, 2,176.10 and 903.80

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Solution

The fourth proportional to 1,452.44, 2,176.10 and 903.80 is: 1,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.44 : 2,176.10 = 903.80 : x
  2. Step 2: Convert to fraction form
    1,452.44/2,176.10 = 903.80/x
  3. Step 3: Cross multiply
    1,452.44x = 2,176.10 × 903.80
  4. Step 4: Simplify right side
    1,452.44x = 1,966,759.18
  5. Step 5: Solve for x
    x = 1,966,759.18/1,452.44
  6. Step 6: Final answer
    x = 1,354.11

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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.