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Finding the Fourth Proportional to 29,652.12, 40,914.24 and 16,905.06

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Solution

The fourth proportional to 29,652.12, 40,914.24 and 16,905.06 is: 23,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652.12 : 40,914.24 = 16,905.06 : x
  2. Step 2: Convert to fraction form
    29,652.12/40,914.24 = 16,905.06/x
  3. Step 3: Cross multiply
    29,652.12x = 40,914.24 × 16,905.06
  4. Step 4: Simplify right side
    29,652.12x = 691,657,682.05
  5. Step 5: Solve for x
    x = 691,657,682.05/29,652.12
  6. Step 6: Final answer
    x = 23,325.74

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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.