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Finding the Fourth Proportional to 33,726.51, 46,545.90 and 19,578.51

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Solution

The fourth proportional to 33,726.51, 46,545.90 and 19,578.51 is: 27,020.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,726.51 : 46,545.90 = 19,578.51 : x
  2. Step 2: Convert to fraction form
    33,726.51/46,545.90 = 19,578.51/x
  3. Step 3: Cross multiply
    33,726.51x = 46,545.90 × 19,578.51
  4. Step 4: Simplify right side
    33,726.51x = 911,299,368.61
  5. Step 5: Solve for x
    x = 911,299,368.61/33,726.51
  6. Step 6: Final answer
    x = 27,020.27

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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.