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Finding the Fourth Proportional to 5,247.63, 7,869.07 and 1,548.56

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Solution

The fourth proportional to 5,247.63, 7,869.07 and 1,548.56 is: 2,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.63 : 7,869.07 = 1,548.56 : x
  2. Step 2: Convert to fraction form
    5,247.63/7,869.07 = 1,548.56/x
  3. Step 3: Cross multiply
    5,247.63x = 7,869.07 × 1,548.56
  4. Step 4: Simplify right side
    5,247.63x = 12,185,679.95
  5. Step 5: Solve for x
    x = 12,185,679.95/5,247.63
  6. Step 6: Final answer
    x = 2,322.13

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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.