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Finding the Fourth Proportional to 29,493.99, 40,702.68 and 16,747.72

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Solution

The fourth proportional to 29,493.99, 40,702.68 and 16,747.72 is: 23,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,493.99 : 40,702.68 = 16,747.72 : x
  2. Step 2: Convert to fraction form
    29,493.99/40,702.68 = 16,747.72/x
  3. Step 3: Cross multiply
    29,493.99x = 40,702.68 × 16,747.72
  4. Step 4: Simplify right side
    29,493.99x = 681,676,986.13
  5. Step 5: Solve for x
    x = 681,676,986.13/29,493.99
  6. Step 6: Final answer
    x = 23,112.40

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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.