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Finding the Fourth Proportional to 17,863.02, 24,651.54 and 9,905.99

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Solution

The fourth proportional to 17,863.02, 24,651.54 and 9,905.99 is: 13,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.02 : 24,651.54 = 9,905.99 : x
  2. Step 2: Convert to fraction form
    17,863.02/24,651.54 = 9,905.99/x
  3. Step 3: Cross multiply
    17,863.02x = 24,651.54 × 9,905.99
  4. Step 4: Simplify right side
    17,863.02x = 244,197,785.47
  5. Step 5: Solve for x
    x = 244,197,785.47/17,863.02
  6. Step 6: Final answer
    x = 13,670.58

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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.