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Finding the Fourth Proportional to 33,857.78, 46,723.86 and 18,750.11

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Solution

The fourth proportional to 33,857.78, 46,723.86 and 18,750.11 is: 25,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,857.78 : 46,723.86 = 18,750.11 : x
  2. Step 2: Convert to fraction form
    33,857.78/46,723.86 = 18,750.11/x
  3. Step 3: Cross multiply
    33,857.78x = 46,723.86 × 18,750.11
  4. Step 4: Simplify right side
    33,857.78x = 876,077,281.01
  5. Step 5: Solve for x
    x = 876,077,281.01/33,857.78
  6. Step 6: Final answer
    x = 25,875.22

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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.