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Finding the Fourth Proportional to 35,081.71, 48,412.79 and 19,166.42

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Solution

The fourth proportional to 35,081.71, 48,412.79 and 19,166.42 is: 26,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,081.71 : 48,412.79 = 19,166.42 : x
  2. Step 2: Convert to fraction form
    35,081.71/48,412.79 = 19,166.42/x
  3. Step 3: Cross multiply
    35,081.71x = 48,412.79 × 19,166.42
  4. Step 4: Simplify right side
    35,081.71x = 927,899,963.59
  5. Step 5: Solve for x
    x = 927,899,963.59/35,081.71
  6. Step 6: Final answer
    x = 26,449.68

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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.