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Finding the Fourth Proportional to 33,830.67, 50,746.22 and 8,870.51

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Solution

The fourth proportional to 33,830.67, 50,746.22 and 8,870.51 is: 13,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,830.67 : 50,746.22 = 8,870.51 : x
  2. Step 2: Convert to fraction form
    33,830.67/50,746.22 = 8,870.51/x
  3. Step 3: Cross multiply
    33,830.67x = 50,746.22 × 8,870.51
  4. Step 4: Simplify right side
    33,830.67x = 450,144,851.97
  5. Step 5: Solve for x
    x = 450,144,851.97/33,830.67
  6. Step 6: Final answer
    x = 13,305.82

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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.