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Finding the Fourth Proportional to 1,950.32, 2,925.16 and 717.43

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Solution

The fourth proportional to 1,950.32, 2,925.16 and 717.43 is: 1,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.32 : 2,925.16 = 717.43 : x
  2. Step 2: Convert to fraction form
    1,950.32/2,925.16 = 717.43/x
  3. Step 3: Cross multiply
    1,950.32x = 2,925.16 × 717.43
  4. Step 4: Simplify right side
    1,950.32x = 2,098,597.54
  5. Step 5: Solve for x
    x = 2,098,597.54/1,950.32
  6. Step 6: Final answer
    x = 1,076.03

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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.