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Finding the Fourth Proportional to 18,003.31, 24,844.35 and 9,937.02

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Solution

The fourth proportional to 18,003.31, 24,844.35 and 9,937.02 is: 13,712.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.31 : 24,844.35 = 9,937.02 : x
  2. Step 2: Convert to fraction form
    18,003.31/24,844.35 = 9,937.02/x
  3. Step 3: Cross multiply
    18,003.31x = 24,844.35 × 9,937.02
  4. Step 4: Simplify right side
    18,003.31x = 246,878,802.84
  5. Step 5: Solve for x
    x = 246,878,802.84/18,003.31
  6. Step 6: Final answer
    x = 13,712.97

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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.