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Finding the Fourth Proportional to 29,360.52, 40,477.86 and 19,912.68

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Solution

The fourth proportional to 29,360.52, 40,477.86 and 19,912.68 is: 27,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,360.52 : 40,477.86 = 19,912.68 : x
  2. Step 2: Convert to fraction form
    29,360.52/40,477.86 = 19,912.68/x
  3. Step 3: Cross multiply
    29,360.52x = 40,477.86 × 19,912.68
  4. Step 4: Simplify right side
    29,360.52x = 806,022,673.26
  5. Step 5: Solve for x
    x = 806,022,673.26/29,360.52
  6. Step 6: Final answer
    x = 27,452.60

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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.