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Finding the Fourth Proportional to 2,701.53, 3,728.12 and 1,522.65

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Solution

The fourth proportional to 2,701.53, 3,728.12 and 1,522.65 is: 2,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.53 : 3,728.12 = 1,522.65 : x
  2. Step 2: Convert to fraction form
    2,701.53/3,728.12 = 1,522.65/x
  3. Step 3: Cross multiply
    2,701.53x = 3,728.12 × 1,522.65
  4. Step 4: Simplify right side
    2,701.53x = 5,676,595.66
  5. Step 5: Solve for x
    x = 5,676,595.66/2,701.53
  6. Step 6: Final answer
    x = 2,101.25

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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.