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Finding the Fourth Proportional to 48,900.84, 73,315.28 and 15,601.74

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Solution

The fourth proportional to 48,900.84, 73,315.28 and 15,601.74 is: 23,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,900.84 : 73,315.28 = 15,601.74 : x
  2. Step 2: Convert to fraction form
    48,900.84/73,315.28 = 15,601.74/x
  3. Step 3: Cross multiply
    48,900.84x = 73,315.28 × 15,601.74
  4. Step 4: Simplify right side
    48,900.84x = 1,143,845,936.59
  5. Step 5: Solve for x
    x = 1,143,845,936.59/48,900.84
  6. Step 6: Final answer
    x = 23,391.13

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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.