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Finding the Fourth Proportional to 8,995.94, 12,414.56 and 4,963.23

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Solution

The fourth proportional to 8,995.94, 12,414.56 and 4,963.23 is: 6,849.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.94 : 12,414.56 = 4,963.23 : x
  2. Step 2: Convert to fraction form
    8,995.94/12,414.56 = 4,963.23/x
  3. Step 3: Cross multiply
    8,995.94x = 12,414.56 × 4,963.23
  4. Step 4: Simplify right side
    8,995.94x = 61,616,329.04
  5. Step 5: Solve for x
    x = 61,616,329.04/8,995.94
  6. Step 6: Final answer
    x = 6,849.35

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1.5x scale

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.