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Finding the Fourth Proportional to 29,652.74, 40,921.80 and 16,907.80

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Solution

The fourth proportional to 29,652.74, 40,921.80 and 16,907.80 is: 23,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,652.74 : 40,921.80 = 16,907.80 : x
  2. Step 2: Convert to fraction form
    29,652.74/40,921.80 = 16,907.80/x
  3. Step 3: Cross multiply
    29,652.74x = 40,921.80 × 16,907.80
  4. Step 4: Simplify right side
    29,652.74x = 691,897,610.04
  5. Step 5: Solve for x
    x = 691,897,610.04/29,652.74
  6. Step 6: Final answer
    x = 23,333.34

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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.