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Finding the Fourth Proportional to 8,548.83, 12,798.48 and 5,251.93

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Solution

The fourth proportional to 8,548.83, 12,798.48 and 5,251.93 is: 7,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.83 : 12,798.48 = 5,251.93 : x
  2. Step 2: Convert to fraction form
    8,548.83/12,798.48 = 5,251.93/x
  3. Step 3: Cross multiply
    8,548.83x = 12,798.48 × 5,251.93
  4. Step 4: Simplify right side
    8,548.83x = 67,216,721.07
  5. Step 5: Solve for x
    x = 67,216,721.07/8,548.83
  6. Step 6: Final answer
    x = 7,862.68

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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.