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Finding the Fourth Proportional to 43,041.84, 64,584.87 and 17,760.03

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Solution

The fourth proportional to 43,041.84, 64,584.87 and 17,760.03 is: 26,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,041.84 : 64,584.87 = 17,760.03 : x
  2. Step 2: Convert to fraction form
    43,041.84/64,584.87 = 17,760.03/x
  3. Step 3: Cross multiply
    43,041.84x = 64,584.87 × 17,760.03
  4. Step 4: Simplify right side
    43,041.84x = 1,147,029,228.75
  5. Step 5: Solve for x
    x = 1,147,029,228.75/43,041.84
  6. Step 6: Final answer
    x = 26,649.17

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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.