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Finding the Fourth Proportional to 38,679.50, 58,024.79 and 14,672.63

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Solution

The fourth proportional to 38,679.50, 58,024.79 and 14,672.63 is: 22,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,679.50 : 58,024.79 = 14,672.63 : x
  2. Step 2: Convert to fraction form
    38,679.50/58,024.79 = 14,672.63/x
  3. Step 3: Cross multiply
    38,679.50x = 58,024.79 × 14,672.63
  4. Step 4: Simplify right side
    38,679.50x = 851,376,274.50
  5. Step 5: Solve for x
    x = 851,376,274.50/38,679.50
  6. Step 6: Final answer
    x = 22,011.05

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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.