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Finding the Fourth Proportional to 48,624.59, 72,936.90 and 15,348.02

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Solution

The fourth proportional to 48,624.59, 72,936.90 and 15,348.02 is: 23,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,624.59 : 72,936.90 = 15,348.02 : x
  2. Step 2: Convert to fraction form
    48,624.59/72,936.90 = 15,348.02/x
  3. Step 3: Cross multiply
    48,624.59x = 72,936.90 × 15,348.02
  4. Step 4: Simplify right side
    48,624.59x = 1,119,436,558.51
  5. Step 5: Solve for x
    x = 1,119,436,558.51/48,624.59
  6. Step 6: Final answer
    x = 23,022.03

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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.