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Finding the Fourth Proportional to 29,423.66, 40,604.22 and 15,994.53

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Solution

The fourth proportional to 29,423.66, 40,604.22 and 15,994.53 is: 22,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.66 : 40,604.22 = 15,994.53 : x
  2. Step 2: Convert to fraction form
    29,423.66/40,604.22 = 15,994.53/x
  3. Step 3: Cross multiply
    29,423.66x = 40,604.22 × 15,994.53
  4. Step 4: Simplify right side
    29,423.66x = 649,445,414.92
  5. Step 5: Solve for x
    x = 649,445,414.92/29,423.66
  6. Step 6: Final answer
    x = 22,072.22

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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.