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Finding the Fourth Proportional to 4,867.97, 7,292.71 and 2,889.42

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Solution

The fourth proportional to 4,867.97, 7,292.71 and 2,889.42 is: 4,328.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,867.97 : 7,292.71 = 2,889.42 : x
  2. Step 2: Convert to fraction form
    4,867.97/7,292.71 = 2,889.42/x
  3. Step 3: Cross multiply
    4,867.97x = 7,292.71 × 2,889.42
  4. Step 4: Simplify right side
    4,867.97x = 21,071,702.13
  5. Step 5: Solve for x
    x = 21,071,702.13/4,867.97
  6. Step 6: Final answer
    x = 4,328.64

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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.