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Finding the Fourth Proportional to 48,163.95, 72,246.03 and 25,987.77

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Solution

The fourth proportional to 48,163.95, 72,246.03 and 25,987.77 is: 38,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,163.95 : 72,246.03 = 25,987.77 : x
  2. Step 2: Convert to fraction form
    48,163.95/72,246.03 = 25,987.77/x
  3. Step 3: Cross multiply
    48,163.95x = 72,246.03 × 25,987.77
  4. Step 4: Simplify right side
    48,163.95x = 1,877,513,113.60
  5. Step 5: Solve for x
    x = 1,877,513,113.60/48,163.95
  6. Step 6: Final answer
    x = 38,981.71

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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.