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Finding the Fourth Proportional to 29,712.96, 41,005.02 and 16,968.22

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Solution

The fourth proportional to 29,712.96, 41,005.02 and 16,968.22 is: 23,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,712.96 : 41,005.02 = 16,968.22 : x
  2. Step 2: Convert to fraction form
    29,712.96/41,005.02 = 16,968.22/x
  3. Step 3: Cross multiply
    29,712.96x = 41,005.02 × 16,968.22
  4. Step 4: Simplify right side
    29,712.96x = 695,782,200.46
  5. Step 5: Solve for x
    x = 695,782,200.46/29,712.96
  6. Step 6: Final answer
    x = 23,416.79

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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.