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Finding the Fourth Proportional to 7,053,434.71, 9,733,846.56 and 3,956,644.54

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Solution

The fourth proportional to 7,053,434.71, 9,733,846.56 and 3,956,644.54 is: 5,460,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,053,434.71 : 9,733,846.56 = 3,956,644.54 : x
  2. Step 2: Convert to fraction form
    7,053,434.71/9,733,846.56 = 3,956,644.54/x
  3. Step 3: Cross multiply
    7,053,434.71x = 9,733,846.56 × 3,956,644.54
  4. Step 4: Simplify right side
    7,053,434.71x = 38,513,370,844,821.78
  5. Step 5: Solve for x
    x = 38,513,370,844,821.78/7,053,434.71
  6. Step 6: Final answer
    x = 5,460,229.30

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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.