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Finding the Fourth Proportional to 5,676,603.98, 7,832,516.54 and 3,610,868.54

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Solution

The fourth proportional to 5,676,603.98, 7,832,516.54 and 3,610,868.54 is: 4,982,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,603.98 : 7,832,516.54 = 3,610,868.54 : x
  2. Step 2: Convert to fraction form
    5,676,603.98/7,832,516.54 = 3,610,868.54/x
  3. Step 3: Cross multiply
    5,676,603.98x = 7,832,516.54 × 3,610,868.54
  4. Step 4: Simplify right side
    5,676,603.98x = 28,282,187,563,315.65
  5. Step 5: Solve for x
    x = 28,282,187,563,315.65/5,676,603.98
  6. Step 6: Final answer
    x = 4,982,237.21

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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.