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Finding the Fourth Proportional to 35,229.71, 48,616.80 and 19,314.29

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Solution

The fourth proportional to 35,229.71, 48,616.80 and 19,314.29 is: 26,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.71 : 48,616.80 = 19,314.29 : x
  2. Step 2: Convert to fraction form
    35,229.71/48,616.80 = 19,314.29/x
  3. Step 3: Cross multiply
    35,229.71x = 48,616.80 × 19,314.29
  4. Step 4: Simplify right side
    35,229.71x = 938,998,974.07
  5. Step 5: Solve for x
    x = 938,998,974.07/35,229.71
  6. Step 6: Final answer
    x = 26,653.61

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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.