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Finding the Fourth Proportional to 44,616.78, 66,900.20 and 18,339.98

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Solution

The fourth proportional to 44,616.78, 66,900.20 and 18,339.98 is: 27,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,616.78 : 66,900.20 = 18,339.98 : x
  2. Step 2: Convert to fraction form
    44,616.78/66,900.20 = 18,339.98/x
  3. Step 3: Cross multiply
    44,616.78x = 66,900.20 × 18,339.98
  4. Step 4: Simplify right side
    44,616.78x = 1,226,947,903.80
  5. Step 5: Solve for x
    x = 1,226,947,903.80/44,616.78
  6. Step 6: Final answer
    x = 27,499.70

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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.