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Finding the Fourth Proportional to 1,502.28, 2,254.50 and 925.56

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Solution

The fourth proportional to 1,502.28, 2,254.50 and 925.56 is: 1,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.28 : 2,254.50 = 925.56 : x
  2. Step 2: Convert to fraction form
    1,502.28/2,254.50 = 925.56/x
  3. Step 3: Cross multiply
    1,502.28x = 2,254.50 × 925.56
  4. Step 4: Simplify right side
    1,502.28x = 2,086,675.02
  5. Step 5: Solve for x
    x = 2,086,675.02/1,502.28
  6. Step 6: Final answer
    x = 1,389.01

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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.