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Finding the Fourth Proportional to 33,856.87, 46,721.31 and 18,750.16

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Solution

The fourth proportional to 33,856.87, 46,721.31 and 18,750.16 is: 25,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,856.87 : 46,721.31 = 18,750.16 : x
  2. Step 2: Convert to fraction form
    33,856.87/46,721.31 = 18,750.16/x
  3. Step 3: Cross multiply
    33,856.87x = 46,721.31 × 18,750.16
  4. Step 4: Simplify right side
    33,856.87x = 876,032,037.91
  5. Step 5: Solve for x
    x = 876,032,037.91/33,856.87
  6. Step 6: Final answer
    x = 25,874.57

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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.