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Finding the Fourth Proportional to 7,823,502.71, 10,797,096.90 and 4,339,963.88

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Solution

The fourth proportional to 7,823,502.71, 10,797,096.90 and 4,339,963.88 is: 5,989,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823,502.71 : 10,797,096.90 = 4,339,963.88 : x
  2. Step 2: Convert to fraction form
    7,823,502.71/10,797,096.90 = 4,339,963.88/x
  3. Step 3: Cross multiply
    7,823,502.71x = 10,797,096.90 × 4,339,963.88
  4. Step 4: Simplify right side
    7,823,502.71x = 46,859,010,557,638.47
  5. Step 5: Solve for x
    x = 46,859,010,557,638.47/7,823,502.71
  6. Step 6: Final answer
    x = 5,989,518.03

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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.