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Finding the Fourth Proportional to 9,925.95, 14,891.09 and 2,906.13

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Solution

The fourth proportional to 9,925.95, 14,891.09 and 2,906.13 is: 4,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,925.95 : 14,891.09 = 2,906.13 : x
  2. Step 2: Convert to fraction form
    9,925.95/14,891.09 = 2,906.13/x
  3. Step 3: Cross multiply
    9,925.95x = 14,891.09 × 2,906.13
  4. Step 4: Simplify right side
    9,925.95x = 43,275,428.85
  5. Step 5: Solve for x
    x = 43,275,428.85/9,925.95
  6. Step 6: Final answer
    x = 4,359.83

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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.