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Finding the Fourth Proportional to 1,952.13, 2,928.18 and 797.07

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Solution

The fourth proportional to 1,952.13, 2,928.18 and 797.07 is: 1,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.13 : 2,928.18 = 797.07 : x
  2. Step 2: Convert to fraction form
    1,952.13/2,928.18 = 797.07/x
  3. Step 3: Cross multiply
    1,952.13x = 2,928.18 × 797.07
  4. Step 4: Simplify right side
    1,952.13x = 2,333,964.43
  5. Step 5: Solve for x
    x = 2,333,964.43/1,952.13
  6. Step 6: Final answer
    x = 1,195.60

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1.5x scale

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.