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Finding the Fourth Proportional to 6,572,157.78, 9,849,424.41 and 5,114,963.65

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Solution

The fourth proportional to 6,572,157.78, 9,849,424.41 and 5,114,963.65 is: 7,665,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,572,157.78 : 9,849,424.41 = 5,114,963.65 : x
  2. Step 2: Convert to fraction form
    6,572,157.78/9,849,424.41 = 5,114,963.65/x
  3. Step 3: Cross multiply
    6,572,157.78x = 9,849,424.41 × 5,114,963.65
  4. Step 4: Simplify right side
    6,572,157.78x = 50,379,447,781,325.57
  5. Step 5: Solve for x
    x = 50,379,447,781,325.57/6,572,157.78
  6. Step 6: Final answer
    x = 7,665,587.09

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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.