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Finding the Fourth Proportional to 65,562.99, 98,270.06 and 57,650.19

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Solution

The fourth proportional to 65,562.99, 98,270.06 and 57,650.19 is: 86,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,562.99 : 98,270.06 = 57,650.19 : x
  2. Step 2: Convert to fraction form
    65,562.99/98,270.06 = 57,650.19/x
  3. Step 3: Cross multiply
    65,562.99x = 98,270.06 × 57,650.19
  4. Step 4: Simplify right side
    65,562.99x = 5,665,287,342.06
  5. Step 5: Solve for x
    x = 5,665,287,342.06/65,562.99
  6. Step 6: Final answer
    x = 86,409.84

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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.