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Finding the Fourth Proportional to 65,032.99, 97,549.53 and 18,285.87

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Solution

The fourth proportional to 65,032.99, 97,549.53 and 18,285.87 is: 27,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,032.99 : 97,549.53 = 18,285.87 : x
  2. Step 2: Convert to fraction form
    65,032.99/97,549.53 = 18,285.87/x
  3. Step 3: Cross multiply
    65,032.99x = 97,549.53 × 18,285.87
  4. Step 4: Simplify right side
    65,032.99x = 1,783,777,772.66
  5. Step 5: Solve for x
    x = 1,783,777,772.66/65,032.99
  6. Step 6: Final answer
    x = 27,428.81

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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.