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Finding the Fourth Proportional to 59,632.48, 89,460.08 and 20,179

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Solution

The fourth proportional to 59,632.48, 89,460.08 and 20,179 is: 30,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,632.48 : 89,460.08 = 20,179 : x
  2. Step 2: Convert to fraction form
    59,632.48/89,460.08 = 20,179/x
  3. Step 3: Cross multiply
    59,632.48x = 89,460.08 × 20,179
  4. Step 4: Simplify right side
    59,632.48x = 1,805,214,954.32
  5. Step 5: Solve for x
    x = 1,805,214,954.32/59,632.48
  6. Step 6: Final answer
    x = 30,272.34

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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.