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Finding the Fourth Proportional to 19,616.25, 29,437.61 and 7,304.25

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Solution

The fourth proportional to 19,616.25, 29,437.61 and 7,304.25 is: 10,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.25 : 29,437.61 = 7,304.25 : x
  2. Step 2: Convert to fraction form
    19,616.25/29,437.61 = 7,304.25/x
  3. Step 3: Cross multiply
    19,616.25x = 29,437.61 × 7,304.25
  4. Step 4: Simplify right side
    19,616.25x = 215,019,626.32
  5. Step 5: Solve for x
    x = 215,019,626.32/19,616.25
  6. Step 6: Final answer
    x = 10,961.30

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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.