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Finding the Fourth Proportional to 6,413,032.80, 8,849,993.88 and 3,472,855.02

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Solution

The fourth proportional to 6,413,032.80, 8,849,993.88 and 3,472,855.02 is: 4,792,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413,032.80 : 8,849,993.88 = 3,472,855.02 : x
  2. Step 2: Convert to fraction form
    6,413,032.80/8,849,993.88 = 3,472,855.02/x
  3. Step 3: Cross multiply
    6,413,032.80x = 8,849,993.88 × 3,472,855.02
  4. Step 4: Simplify right side
    6,413,032.80x = 30,734,745,673,127.28
  5. Step 5: Solve for x
    x = 30,734,745,673,127.28/6,413,032.80
  6. Step 6: Final answer
    x = 4,792,544.59

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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.