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Finding the Fourth Proportional to 4,972,574.88, 7,458,124.16 and 1,377,967.02

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Solution

The fourth proportional to 4,972,574.88, 7,458,124.16 and 1,377,967.02 is: 2,066,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972,574.88 : 7,458,124.16 = 1,377,967.02 : x
  2. Step 2: Convert to fraction form
    4,972,574.88/7,458,124.16 = 1,377,967.02/x
  3. Step 3: Cross multiply
    4,972,574.88x = 7,458,124.16 × 1,377,967.02
  4. Step 4: Simplify right side
    4,972,574.88x = 10,277,049,123,545.20
  5. Step 5: Solve for x
    x = 10,277,049,123,545.20/4,972,574.88
  6. Step 6: Final answer
    x = 2,066,745.98

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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.