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Finding the Fourth Proportional to 29,649.65, 40,917.48 and 16,902.60

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Solution

The fourth proportional to 29,649.65, 40,917.48 and 16,902.60 is: 23,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,649.65 : 40,917.48 = 16,902.60 : x
  2. Step 2: Convert to fraction form
    29,649.65/40,917.48 = 16,902.60/x
  3. Step 3: Cross multiply
    29,649.65x = 40,917.48 × 16,902.60
  4. Step 4: Simplify right side
    29,649.65x = 691,611,797.45
  5. Step 5: Solve for x
    x = 691,611,797.45/29,649.65
  6. Step 6: Final answer
    x = 23,326.14

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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.