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Finding the Fourth Proportional to 60,172.54, 83,041.18 and 33,318

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Solution

The fourth proportional to 60,172.54, 83,041.18 and 33,318 is: 45,980.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,172.54 : 83,041.18 = 33,318 : x
  2. Step 2: Convert to fraction form
    60,172.54/83,041.18 = 33,318/x
  3. Step 3: Cross multiply
    60,172.54x = 83,041.18 × 33,318
  4. Step 4: Simplify right side
    60,172.54x = 2,766,766,035.24
  5. Step 5: Solve for x
    x = 2,766,766,035.24/60,172.54
  6. Step 6: Final answer
    x = 45,980.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.