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Finding the Fourth Proportional to 60,082.98, 90,137.40 and 17,966.40

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Solution

The fourth proportional to 60,082.98, 90,137.40 and 17,966.40 is: 26,953.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,082.98 : 90,137.40 = 17,966.40 : x
  2. Step 2: Convert to fraction form
    60,082.98/90,137.40 = 17,966.40/x
  3. Step 3: Cross multiply
    60,082.98x = 90,137.40 × 17,966.40
  4. Step 4: Simplify right side
    60,082.98x = 1,619,444,583.36
  5. Step 5: Solve for x
    x = 1,619,444,583.36/60,082.98
  6. Step 6: Final answer
    x = 26,953.47

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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.