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Finding the Fourth Proportional to 33,658.71, 46,449.34 and 18,551.40

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Solution

The fourth proportional to 33,658.71, 46,449.34 and 18,551.40 is: 25,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,658.71 : 46,449.34 = 18,551.40 : x
  2. Step 2: Convert to fraction form
    33,658.71/46,449.34 = 18,551.40/x
  3. Step 3: Cross multiply
    33,658.71x = 46,449.34 × 18,551.40
  4. Step 4: Simplify right side
    33,658.71x = 861,700,053.83
  5. Step 5: Solve for x
    x = 861,700,053.83/33,658.71
  6. Step 6: Final answer
    x = 25,601.11

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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.