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Finding the Fourth Proportional to 33,886.48, 50,820.84 and 10,187.68

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Solution

The fourth proportional to 33,886.48, 50,820.84 and 10,187.68 is: 15,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,886.48 : 50,820.84 = 10,187.68 : x
  2. Step 2: Convert to fraction form
    33,886.48/50,820.84 = 10,187.68/x
  3. Step 3: Cross multiply
    33,886.48x = 50,820.84 × 10,187.68
  4. Step 4: Simplify right side
    33,886.48x = 517,746,455.25
  5. Step 5: Solve for x
    x = 517,746,455.25/33,886.48
  6. Step 6: Final answer
    x = 15,278.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.