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Finding the Fourth Proportional to 62,898.01, 86,811.66 and 36,058.54

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Solution

The fourth proportional to 62,898.01, 86,811.66 and 36,058.54 is: 49,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,898.01 : 86,811.66 = 36,058.54 : x
  2. Step 2: Convert to fraction form
    62,898.01/86,811.66 = 36,058.54/x
  3. Step 3: Cross multiply
    62,898.01x = 86,811.66 × 36,058.54
  4. Step 4: Simplify right side
    62,898.01x = 3,130,301,714.58
  5. Step 5: Solve for x
    x = 3,130,301,714.58/62,898.01
  6. Step 6: Final answer
    x = 49,767.90

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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.