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Finding the Fourth Proportional to 48,891.87, 73,328.13 and 15,602.94

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Solution

The fourth proportional to 48,891.87, 73,328.13 and 15,602.94 is: 23,401.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,891.87 : 73,328.13 = 15,602.94 : x
  2. Step 2: Convert to fraction form
    48,891.87/73,328.13 = 15,602.94/x
  3. Step 3: Cross multiply
    48,891.87x = 73,328.13 × 15,602.94
  4. Step 4: Simplify right side
    48,891.87x = 1,144,134,412.70
  5. Step 5: Solve for x
    x = 1,144,134,412.70/48,891.87
  6. Step 6: Final answer
    x = 23,401.32

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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.