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Finding the Fourth Proportional to 62,472.72, 86,248 and 41,313.36

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Solution

The fourth proportional to 62,472.72, 86,248 and 41,313.36 is: 57,036.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,472.72 : 86,248 = 41,313.36 : x
  2. Step 2: Convert to fraction form
    62,472.72/86,248 = 41,313.36/x
  3. Step 3: Cross multiply
    62,472.72x = 86,248 × 41,313.36
  4. Step 4: Simplify right side
    62,472.72x = 3,563,194,673.28
  5. Step 5: Solve for x
    x = 3,563,194,673.28/62,472.72
  6. Step 6: Final answer
    x = 57,036.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.