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Finding the Fourth Proportional to 59,929.60, 89,959.20 and 33,685.60

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Solution

The fourth proportional to 59,929.60, 89,959.20 and 33,685.60 is: 50,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,929.60 : 89,959.20 = 33,685.60 : x
  2. Step 2: Convert to fraction form
    59,929.60/89,959.20 = 33,685.60/x
  3. Step 3: Cross multiply
    59,929.60x = 89,959.20 × 33,685.60
  4. Step 4: Simplify right side
    59,929.60x = 3,030,329,627.52
  5. Step 5: Solve for x
    x = 3,030,329,627.52/59,929.60
  6. Step 6: Final answer
    x = 50,564.82

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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.