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Finding the Fourth Proportional to 29,872.79, 44,809.17 and 12,343.07

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Solution

The fourth proportional to 29,872.79, 44,809.17 and 12,343.07 is: 18,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,872.79 : 44,809.17 = 12,343.07 : x
  2. Step 2: Convert to fraction form
    29,872.79/44,809.17 = 12,343.07/x
  3. Step 3: Cross multiply
    29,872.79x = 44,809.17 × 12,343.07
  4. Step 4: Simplify right side
    29,872.79x = 553,082,497.91
  5. Step 5: Solve for x
    x = 553,082,497.91/29,872.79
  6. Step 6: Final answer
    x = 18,514.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.