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Finding the Fourth Proportional to 1,502.62, 2,253.36 and 722.92

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Solution

The fourth proportional to 1,502.62, 2,253.36 and 722.92 is: 1,084.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.62 : 2,253.36 = 722.92 : x
  2. Step 2: Convert to fraction form
    1,502.62/2,253.36 = 722.92/x
  3. Step 3: Cross multiply
    1,502.62x = 2,253.36 × 722.92
  4. Step 4: Simplify right side
    1,502.62x = 1,628,999.01
  5. Step 5: Solve for x
    x = 1,628,999.01/1,502.62
  6. Step 6: Final answer
    x = 1,084.11

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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.