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Finding the Fourth Proportional to 29,623.70, 40,880.70 and 16,194.95

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Solution

The fourth proportional to 29,623.70, 40,880.70 and 16,194.95 is: 22,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,623.70 : 40,880.70 = 16,194.95 : x
  2. Step 2: Convert to fraction form
    29,623.70/40,880.70 = 16,194.95/x
  3. Step 3: Cross multiply
    29,623.70x = 40,880.70 × 16,194.95
  4. Step 4: Simplify right side
    29,623.70x = 662,060,841.36
  5. Step 5: Solve for x
    x = 662,060,841.36/29,623.70
  6. Step 6: Final answer
    x = 22,349.03

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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.