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Finding the Fourth Proportional to 1,668.24, 2,502.24 and 935.52

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Solution

The fourth proportional to 1,668.24, 2,502.24 and 935.52 is: 1,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668.24 : 2,502.24 = 935.52 : x
  2. Step 2: Convert to fraction form
    1,668.24/2,502.24 = 935.52/x
  3. Step 3: Cross multiply
    1,668.24x = 2,502.24 × 935.52
  4. Step 4: Simplify right side
    1,668.24x = 2,340,895.56
  5. Step 5: Solve for x
    x = 2,340,895.56/1,668.24
  6. Step 6: Final answer
    x = 1,403.21

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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.