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Finding the Fourth Proportional to 29,495.52, 40,701.36 and 16,917.60

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Solution

The fourth proportional to 29,495.52, 40,701.36 and 16,917.60 is: 23,344.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.52 : 40,701.36 = 16,917.60 : x
  2. Step 2: Convert to fraction form
    29,495.52/40,701.36 = 16,917.60/x
  3. Step 3: Cross multiply
    29,495.52x = 40,701.36 × 16,917.60
  4. Step 4: Simplify right side
    29,495.52x = 688,569,327.94
  5. Step 5: Solve for x
    x = 688,569,327.94/29,495.52
  6. Step 6: Final answer
    x = 23,344.88

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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.