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Finding the Fourth Proportional to 59,487.66, 89,109.99 and 33,206.40

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Solution

The fourth proportional to 59,487.66, 89,109.99 and 33,206.40 is: 49,741.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,487.66 : 89,109.99 = 33,206.40 : x
  2. Step 2: Convert to fraction form
    59,487.66/89,109.99 = 33,206.40/x
  3. Step 3: Cross multiply
    59,487.66x = 89,109.99 × 33,206.40
  4. Step 4: Simplify right side
    59,487.66x = 2,959,021,971.94
  5. Step 5: Solve for x
    x = 2,959,021,971.94/59,487.66
  6. Step 6: Final answer
    x = 49,741.78

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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.