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Finding the Fourth Proportional to 3,251.67, 4,877.10 and 1,303.89

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Solution

The fourth proportional to 3,251.67, 4,877.10 and 1,303.89 is: 1,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.67 : 4,877.10 = 1,303.89 : x
  2. Step 2: Convert to fraction form
    3,251.67/4,877.10 = 1,303.89/x
  3. Step 3: Cross multiply
    3,251.67x = 4,877.10 × 1,303.89
  4. Step 4: Simplify right side
    3,251.67x = 6,359,201.92
  5. Step 5: Solve for x
    x = 6,359,201.92/3,251.67
  6. Step 6: Final answer
    x = 1,955.67

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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.