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Finding the Fourth Proportional to 6,392,959.69, 8,824,386.82 and 5,088,604.33

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Solution

The fourth proportional to 6,392,959.69, 8,824,386.82 and 5,088,604.33 is: 7,023,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,959.69 : 8,824,386.82 = 5,088,604.33 : x
  2. Step 2: Convert to fraction form
    6,392,959.69/8,824,386.82 = 5,088,604.33/x
  3. Step 3: Cross multiply
    6,392,959.69x = 8,824,386.82 × 5,088,604.33
  4. Step 4: Simplify right side
    6,392,959.69x = 44,903,812,981,846.93
  5. Step 5: Solve for x
    x = 44,903,812,981,846.93/6,392,959.69
  6. Step 6: Final answer
    x = 7,023,947.46

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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.