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Finding the Fourth Proportional to 952.94, 1,315.10 and 560.09

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Solution

The fourth proportional to 952.94, 1,315.10 and 560.09 is: 772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.94 : 1,315.10 = 560.09 : x
  2. Step 2: Convert to fraction form
    952.94/1,315.10 = 560.09/x
  3. Step 3: Cross multiply
    952.94x = 1,315.10 × 560.09
  4. Step 4: Simplify right side
    952.94x = 736,572.47
  5. Step 5: Solve for x
    x = 736,572.47/952.94
  6. Step 6: Final answer
    x = 772.95

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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.