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Finding the Fourth Proportional to 48,866.59, 67,437.77 and 28,447.00

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Solution

The fourth proportional to 48,866.59, 67,437.77 and 28,447.00 is: 39,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,866.59 : 67,437.77 = 28,447.00 : x
  2. Step 2: Convert to fraction form
    48,866.59/67,437.77 = 28,447.00/x
  3. Step 3: Cross multiply
    48,866.59x = 67,437.77 × 28,447.00
  4. Step 4: Simplify right side
    48,866.59x = 1,918,401,932.36
  5. Step 5: Solve for x
    x = 1,918,401,932.36/48,866.59
  6. Step 6: Final answer
    x = 39,257.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.