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Finding the Fourth Proportional to 59,390.66, 89,076.70 and 19,409.33

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Solution

The fourth proportional to 59,390.66, 89,076.70 and 19,409.33 is: 29,110.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,390.66 : 89,076.70 = 19,409.33 : x
  2. Step 2: Convert to fraction form
    59,390.66/89,076.70 = 19,409.33/x
  3. Step 3: Cross multiply
    59,390.66x = 89,076.70 × 19,409.33
  4. Step 4: Simplify right side
    59,390.66x = 1,728,918,668.75
  5. Step 5: Solve for x
    x = 1,728,918,668.75/59,390.66
  6. Step 6: Final answer
    x = 29,110.95

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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.