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Finding the Fourth Proportional to 4,971.95, 7,458.84 and 2,048.66

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Solution

The fourth proportional to 4,971.95, 7,458.84 and 2,048.66 is: 3,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.95 : 7,458.84 = 2,048.66 : x
  2. Step 2: Convert to fraction form
    4,971.95/7,458.84 = 2,048.66/x
  3. Step 3: Cross multiply
    4,971.95x = 7,458.84 × 2,048.66
  4. Step 4: Simplify right side
    4,971.95x = 15,280,627.15
  5. Step 5: Solve for x
    x = 15,280,627.15/4,971.95
  6. Step 6: Final answer
    x = 3,073.37

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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.