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Finding the Fourth Proportional to 29,324.86, 40,473.72 and 16,749.60

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Solution

The fourth proportional to 29,324.86, 40,473.72 and 16,749.60 is: 23,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,324.86 : 40,473.72 = 16,749.60 : x
  2. Step 2: Convert to fraction form
    29,324.86/40,473.72 = 16,749.60/x
  3. Step 3: Cross multiply
    29,324.86x = 40,473.72 × 16,749.60
  4. Step 4: Simplify right side
    29,324.86x = 677,918,620.51
  5. Step 5: Solve for x
    x = 677,918,620.51/29,324.86
  6. Step 6: Final answer
    x = 23,117.54

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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.