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Finding the Fourth Proportional to 48,382.95, 72,579.00 and 18,803.06

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Solution

The fourth proportional to 48,382.95, 72,579.00 and 18,803.06 is: 28,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,382.95 : 72,579.00 = 18,803.06 : x
  2. Step 2: Convert to fraction form
    48,382.95/72,579.00 = 18,803.06/x
  3. Step 3: Cross multiply
    48,382.95x = 72,579.00 × 18,803.06
  4. Step 4: Simplify right side
    48,382.95x = 1,364,707,197.72
  5. Step 5: Solve for x
    x = 1,364,707,197.72/48,382.95
  6. Step 6: Final answer
    x = 28,206.37

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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.