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Finding the Fourth Proportional to 29,146.56, 43,722.56 and 11,612.32

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Solution

The fourth proportional to 29,146.56, 43,722.56 and 11,612.32 is: 17,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,146.56 : 43,722.56 = 11,612.32 : x
  2. Step 2: Convert to fraction form
    29,146.56/43,722.56 = 11,612.32/x
  3. Step 3: Cross multiply
    29,146.56x = 43,722.56 × 11,612.32
  4. Step 4: Simplify right side
    29,146.56x = 507,720,357.94
  5. Step 5: Solve for x
    x = 507,720,357.94/29,146.56
  6. Step 6: Final answer
    x = 17,419.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.