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Finding the Fourth Proportional to 65,036.99, 97,555.53 and 18,289.87

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Solution

The fourth proportional to 65,036.99, 97,555.53 and 18,289.87 is: 27,434.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,036.99 : 97,555.53 = 18,289.87 : x
  2. Step 2: Convert to fraction form
    65,036.99/97,555.53 = 18,289.87/x
  3. Step 3: Cross multiply
    65,036.99x = 97,555.53 × 18,289.87
  4. Step 4: Simplify right side
    65,036.99x = 1,784,277,961.48
  5. Step 5: Solve for x
    x = 1,784,277,961.48/65,036.99
  6. Step 6: Final answer
    x = 27,434.82

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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.