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Finding the Fourth Proportional to 59,409.49, 89,109.75 and 17,289.90

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Solution

The fourth proportional to 59,409.49, 89,109.75 and 17,289.90 is: 25,933.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,409.49 : 89,109.75 = 17,289.90 : x
  2. Step 2: Convert to fraction form
    59,409.49/89,109.75 = 17,289.90/x
  3. Step 3: Cross multiply
    59,409.49x = 89,109.75 × 17,289.90
  4. Step 4: Simplify right side
    59,409.49x = 1,540,698,666.53
  5. Step 5: Solve for x
    x = 1,540,698,666.53/59,409.49
  6. Step 6: Final answer
    x = 25,933.54

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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.