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Finding the Fourth Proportional to 29,930.90, 44,896.35 and 18,266.90

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Solution

The fourth proportional to 29,930.90, 44,896.35 and 18,266.90 is: 27,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,930.90 : 44,896.35 = 18,266.90 : x
  2. Step 2: Convert to fraction form
    29,930.90/44,896.35 = 18,266.90/x
  3. Step 3: Cross multiply
    29,930.90x = 44,896.35 × 18,266.90
  4. Step 4: Simplify right side
    29,930.90x = 820,117,135.82
  5. Step 5: Solve for x
    x = 820,117,135.82/29,930.90
  6. Step 6: Final answer
    x = 27,400.35

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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.