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Finding the Fourth Proportional to 60,120.40, 82,964.94 and 33,264.04

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Solution

The fourth proportional to 60,120.40, 82,964.94 and 33,264.04 is: 45,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,120.40 : 82,964.94 = 33,264.04 : x
  2. Step 2: Convert to fraction form
    60,120.40/82,964.94 = 33,264.04/x
  3. Step 3: Cross multiply
    60,120.40x = 82,964.94 × 33,264.04
  4. Step 4: Simplify right side
    60,120.40x = 2,759,749,082.76
  5. Step 5: Solve for x
    x = 2,759,749,082.76/60,120.40
  6. Step 6: Final answer
    x = 45,903.70

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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.