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Finding the Fourth Proportional to 29,447.96, 40,637.97 and 16,018.97

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Solution

The fourth proportional to 29,447.96, 40,637.97 and 16,018.97 is: 22,106.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.96 : 40,637.97 = 16,018.97 : x
  2. Step 2: Convert to fraction form
    29,447.96/40,637.97 = 16,018.97/x
  3. Step 3: Cross multiply
    29,447.96x = 40,637.97 × 16,018.97
  4. Step 4: Simplify right side
    29,447.96x = 650,978,219.10
  5. Step 5: Solve for x
    x = 650,978,219.10/29,447.96
  6. Step 6: Final answer
    x = 22,106.06

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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.