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Finding the Fourth Proportional to 1,502.13, 2,253.07 and 528.24

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Solution

The fourth proportional to 1,502.13, 2,253.07 and 528.24 is: 792.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.13 : 2,253.07 = 528.24 : x
  2. Step 2: Convert to fraction form
    1,502.13/2,253.07 = 528.24/x
  3. Step 3: Cross multiply
    1,502.13x = 2,253.07 × 528.24
  4. Step 4: Simplify right side
    1,502.13x = 1,190,161.70
  5. Step 5: Solve for x
    x = 1,190,161.70/1,502.13
  6. Step 6: Final answer
    x = 792.32

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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.