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Finding the Fourth Proportional to 18,005.37, 24,843.43 and 10,447.32

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Solution

The fourth proportional to 18,005.37, 24,843.43 and 10,447.32 is: 14,414.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.37 : 24,843.43 = 10,447.32 : x
  2. Step 2: Convert to fraction form
    18,005.37/24,843.43 = 10,447.32/x
  3. Step 3: Cross multiply
    18,005.37x = 24,843.43 × 10,447.32
  4. Step 4: Simplify right side
    18,005.37x = 259,547,263.11
  5. Step 5: Solve for x
    x = 259,547,263.11/18,005.37
  6. Step 6: Final answer
    x = 14,414.99

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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.