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Finding the Fourth Proportional to 18,701.34, 28,052.10 and 4,850.34

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Solution

The fourth proportional to 18,701.34, 28,052.10 and 4,850.34 is: 7,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.34 : 28,052.10 = 4,850.34 : x
  2. Step 2: Convert to fraction form
    18,701.34/28,052.10 = 4,850.34/x
  3. Step 3: Cross multiply
    18,701.34x = 28,052.10 × 4,850.34
  4. Step 4: Simplify right side
    18,701.34x = 136,062,222.71
  5. Step 5: Solve for x
    x = 136,062,222.71/18,701.34
  6. Step 6: Final answer
    x = 7,275.53

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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.