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Finding the Fourth Proportional to 18,044.42, 24,900.28 and 9,977.60

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Solution

The fourth proportional to 18,044.42, 24,900.28 and 9,977.60 is: 13,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,044.42 : 24,900.28 = 9,977.60 : x
  2. Step 2: Convert to fraction form
    18,044.42/24,900.28 = 9,977.60/x
  3. Step 3: Cross multiply
    18,044.42x = 24,900.28 × 9,977.60
  4. Step 4: Simplify right side
    18,044.42x = 248,445,033.73
  5. Step 5: Solve for x
    x = 248,445,033.73/18,044.42
  6. Step 6: Final answer
    x = 13,768.52

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1.5x scale

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.