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Finding the Fourth Proportional to 17,863.74, 24,651.74 and 9,905.90

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Solution

The fourth proportional to 17,863.74, 24,651.74 and 9,905.90 is: 13,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.74 : 24,651.74 = 9,905.90 : x
  2. Step 2: Convert to fraction form
    17,863.74/24,651.74 = 9,905.90/x
  3. Step 3: Cross multiply
    17,863.74x = 24,651.74 × 9,905.90
  4. Step 4: Simplify right side
    17,863.74x = 244,197,572.77
  5. Step 5: Solve for x
    x = 244,197,572.77/17,863.74
  6. Step 6: Final answer
    x = 13,670.01

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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.