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Finding the Fourth Proportional to 6,392,738.79, 9,589,042.53 and 3,695,347.71

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Solution

The fourth proportional to 6,392,738.79, 9,589,042.53 and 3,695,347.71 is: 5,542,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,738.79 : 9,589,042.53 = 3,695,347.71 : x
  2. Step 2: Convert to fraction form
    6,392,738.79/9,589,042.53 = 3,695,347.71/x
  3. Step 3: Cross multiply
    6,392,738.79x = 9,589,042.53 × 3,695,347.71
  4. Step 4: Simplify right side
    6,392,738.79x = 35,434,846,354,328.10
  5. Step 5: Solve for x
    x = 35,434,846,354,328.10/6,392,738.79
  6. Step 6: Final answer
    x = 5,542,983.61

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Double scale
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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.