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Finding the Fourth Proportional to 29,657.90, 40,927.95 and 16,229.25

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Solution

The fourth proportional to 29,657.90, 40,927.95 and 16,229.25 is: 22,396.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,657.90 : 40,927.95 = 16,229.25 : x
  2. Step 2: Convert to fraction form
    29,657.90/40,927.95 = 16,229.25/x
  3. Step 3: Cross multiply
    29,657.90x = 40,927.95 × 16,229.25
  4. Step 4: Simplify right side
    29,657.90x = 664,229,934.89
  5. Step 5: Solve for x
    x = 664,229,934.89/29,657.90
  6. Step 6: Final answer
    x = 22,396.39

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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.