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Finding the Fourth Proportional to 952.61, 1,315.23 and 732.71

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Solution

The fourth proportional to 952.61, 1,315.23 and 732.71 is: 1,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.61 : 1,315.23 = 732.71 : x
  2. Step 2: Convert to fraction form
    952.61/1,315.23 = 732.71/x
  3. Step 3: Cross multiply
    952.61x = 1,315.23 × 732.71
  4. Step 4: Simplify right side
    952.61x = 963,682.17
  5. Step 5: Solve for x
    x = 963,682.17/952.61
  6. Step 6: Final answer
    x = 1,011.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.