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Finding the Fourth Proportional to 1,952.74, 2,928.66 and 565.75

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Solution

The fourth proportional to 1,952.74, 2,928.66 and 565.75 is: 848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.74 : 2,928.66 = 565.75 : x
  2. Step 2: Convert to fraction form
    1,952.74/2,928.66 = 565.75/x
  3. Step 3: Cross multiply
    1,952.74x = 2,928.66 × 565.75
  4. Step 4: Simplify right side
    1,952.74x = 1,656,889.40
  5. Step 5: Solve for x
    x = 1,656,889.40/1,952.74
  6. Step 6: Final answer
    x = 848.49

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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.