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Finding the Fourth Proportional to 33,998.72, 46,904.78 and 19,655.91

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Solution

The fourth proportional to 33,998.72, 46,904.78 and 19,655.91 is: 27,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,998.72 : 46,904.78 = 19,655.91 : x
  2. Step 2: Convert to fraction form
    33,998.72/46,904.78 = 19,655.91/x
  3. Step 3: Cross multiply
    33,998.72x = 46,904.78 × 19,655.91
  4. Step 4: Simplify right side
    33,998.72x = 921,956,035.97
  5. Step 5: Solve for x
    x = 921,956,035.97/33,998.72
  6. Step 6: Final answer
    x = 27,117.38

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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.