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Finding the Fourth Proportional to 17,398.16, 24,005.44 and 11,743.40

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Solution

The fourth proportional to 17,398.16, 24,005.44 and 11,743.40 is: 16,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,398.16 : 24,005.44 = 11,743.40 : x
  2. Step 2: Convert to fraction form
    17,398.16/24,005.44 = 11,743.40/x
  3. Step 3: Cross multiply
    17,398.16x = 24,005.44 × 11,743.40
  4. Step 4: Simplify right side
    17,398.16x = 281,905,484.10
  5. Step 5: Solve for x
    x = 281,905,484.10/17,398.16
  6. Step 6: Final answer
    x = 16,203.18

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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.