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Finding the Fourth Proportional to 9,815.06, 14,721.02 and 4,266.92

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Solution

The fourth proportional to 9,815.06, 14,721.02 and 4,266.92 is: 6,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.06 : 14,721.02 = 4,266.92 : x
  2. Step 2: Convert to fraction form
    9,815.06/14,721.02 = 4,266.92/x
  3. Step 3: Cross multiply
    9,815.06x = 14,721.02 × 4,266.92
  4. Step 4: Simplify right side
    9,815.06x = 62,813,414.66
  5. Step 5: Solve for x
    x = 62,813,414.66/9,815.06
  6. Step 6: Final answer
    x = 6,399.70

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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.