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Finding the Fourth Proportional to 48,571.68, 72,744.12 and 37,389.63

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Solution

The fourth proportional to 48,571.68, 72,744.12 and 37,389.63 is: 55,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,571.68 : 72,744.12 = 37,389.63 : x
  2. Step 2: Convert to fraction form
    48,571.68/72,744.12 = 37,389.63/x
  3. Step 3: Cross multiply
    48,571.68x = 72,744.12 × 37,389.63
  4. Step 4: Simplify right side
    48,571.68x = 2,719,875,731.48
  5. Step 5: Solve for x
    x = 2,719,875,731.48/48,571.68
  6. Step 6: Final answer
    x = 55,997.15

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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.