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Finding the Fourth Proportional to 48,862, 73,289.32 and 15,580.72

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Solution

The fourth proportional to 48,862, 73,289.32 and 15,580.72 is: 23,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,862 : 73,289.32 = 15,580.72 : x
  2. Step 2: Convert to fraction form
    48,862/73,289.32 = 15,580.72/x
  3. Step 3: Cross multiply
    48,862x = 73,289.32 × 15,580.72
  4. Step 4: Simplify right side
    48,862x = 1,141,900,373.91
  5. Step 5: Solve for x
    x = 1,141,900,373.91/48,862
  6. Step 6: Final answer
    x = 23,369.91

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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.