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Finding the Fourth Proportional to 5,992,545.78, 8,988,784.11 and 2,003,423.22

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Solution

The fourth proportional to 5,992,545.78, 8,988,784.11 and 2,003,423.22 is: 3,005,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,992,545.78 : 8,988,784.11 = 2,003,423.22 : x
  2. Step 2: Convert to fraction form
    5,992,545.78/8,988,784.11 = 2,003,423.22/x
  3. Step 3: Cross multiply
    5,992,545.78x = 8,988,784.11 × 2,003,423.22
  4. Step 4: Simplify right side
    5,992,545.78x = 18,008,338,805,541.03
  5. Step 5: Solve for x
    x = 18,008,338,805,541.03/5,992,545.78
  6. Step 6: Final answer
    x = 3,005,123.28

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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.