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Finding the Fourth Proportional to 62,580.48, 93,872.16 and 21,027.84

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Solution

The fourth proportional to 62,580.48, 93,872.16 and 21,027.84 is: 31,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,580.48 : 93,872.16 = 21,027.84 : x
  2. Step 2: Convert to fraction form
    62,580.48/93,872.16 = 21,027.84/x
  3. Step 3: Cross multiply
    62,580.48x = 93,872.16 × 21,027.84
  4. Step 4: Simplify right side
    62,580.48x = 1,973,928,760.93
  5. Step 5: Solve for x
    x = 1,973,928,760.93/62,580.48
  6. Step 6: Final answer
    x = 31,542.24

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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.