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Finding the Fourth Proportional to 60,299.84, 90,442.85 and 15,930.09

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Solution

The fourth proportional to 60,299.84, 90,442.85 and 15,930.09 is: 23,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,299.84 : 90,442.85 = 15,930.09 : x
  2. Step 2: Convert to fraction form
    60,299.84/90,442.85 = 15,930.09/x
  3. Step 3: Cross multiply
    60,299.84x = 90,442.85 × 15,930.09
  4. Step 4: Simplify right side
    60,299.84x = 1,440,763,049.49
  5. Step 5: Solve for x
    x = 1,440,763,049.49/60,299.84
  6. Step 6: Final answer
    x = 23,893.31

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1.5x scale

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.