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Finding the Fourth Proportional to 64,808.73, 97,563.22 and 58,291.31

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Solution

The fourth proportional to 64,808.73, 97,563.22 and 58,291.31 is: 87,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808.73 : 97,563.22 = 58,291.31 : x
  2. Step 2: Convert to fraction form
    64,808.73/97,563.22 = 58,291.31/x
  3. Step 3: Cross multiply
    64,808.73x = 97,563.22 × 58,291.31
  4. Step 4: Simplify right side
    64,808.73x = 5,687,087,834.12
  5. Step 5: Solve for x
    x = 5,687,087,834.12/64,808.73
  6. Step 6: Final answer
    x = 87,751.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.