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Finding the Fourth Proportional to 29,991.48, 41,394.54 and 17,415.48

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Solution

The fourth proportional to 29,991.48, 41,394.54 and 17,415.48 is: 24,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,991.48 : 41,394.54 = 17,415.48 : x
  2. Step 2: Convert to fraction form
    29,991.48/41,394.54 = 17,415.48/x
  3. Step 3: Cross multiply
    29,991.48x = 41,394.54 × 17,415.48
  4. Step 4: Simplify right side
    29,991.48x = 720,905,783.48
  5. Step 5: Solve for x
    x = 720,905,783.48/29,991.48
  6. Step 6: Final answer
    x = 24,037.02

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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.