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Finding the Fourth Proportional to 29,608.96, 40,869.48 and 17,042.08

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Solution

The fourth proportional to 29,608.96, 40,869.48 and 17,042.08 is: 23,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,608.96 : 40,869.48 = 17,042.08 : x
  2. Step 2: Convert to fraction form
    29,608.96/40,869.48 = 17,042.08/x
  3. Step 3: Cross multiply
    29,608.96x = 40,869.48 × 17,042.08
  4. Step 4: Simplify right side
    29,608.96x = 696,500,947.72
  5. Step 5: Solve for x
    x = 696,500,947.72/29,608.96
  6. Step 6: Final answer
    x = 23,523.32

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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.