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Finding the Fourth Proportional to 59,972.40, 89,915.40 and 33,685.20

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Solution

The fourth proportional to 59,972.40, 89,915.40 and 33,685.20 is: 50,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,972.40 : 89,915.40 = 33,685.20 : x
  2. Step 2: Convert to fraction form
    59,972.40/89,915.40 = 33,685.20/x
  3. Step 3: Cross multiply
    59,972.40x = 89,915.40 × 33,685.20
  4. Step 4: Simplify right side
    59,972.40x = 3,028,818,232.08
  5. Step 5: Solve for x
    x = 3,028,818,232.08/59,972.40
  6. Step 6: Final answer
    x = 50,503.54

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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.