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Finding the Fourth Proportional to 6,622,502.40, 9,912,758.40 and 4,732,934.40

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Solution

The fourth proportional to 6,622,502.40, 9,912,758.40 and 4,732,934.40 is: 7,084,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622,502.40 : 9,912,758.40 = 4,732,934.40 : x
  2. Step 2: Convert to fraction form
    6,622,502.40/9,912,758.40 = 4,732,934.40/x
  3. Step 3: Cross multiply
    6,622,502.40x = 9,912,758.40 × 4,732,934.40
  4. Step 4: Simplify right side
    6,622,502.40x = 46,916,435,230,248.97
  5. Step 5: Solve for x
    x = 46,916,435,230,248.97/6,622,502.40
  6. Step 6: Final answer
    x = 7,084,396.86

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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.