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Finding the Fourth Proportional to 29,498.31, 40,697.64 and 16,750.17

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Solution

The fourth proportional to 29,498.31, 40,697.64 and 16,750.17 is: 23,109.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,498.31 : 40,697.64 = 16,750.17 : x
  2. Step 2: Convert to fraction form
    29,498.31/40,697.64 = 16,750.17/x
  3. Step 3: Cross multiply
    29,498.31x = 40,697.64 × 16,750.17
  4. Step 4: Simplify right side
    29,498.31x = 681,692,388.60
  5. Step 5: Solve for x
    x = 681,692,388.60/29,498.31
  6. Step 6: Final answer
    x = 23,109.54

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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.