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Finding the Fourth Proportional to 5,185,300.74, 7,766,753.67 and 5,058,396.42

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Solution

The fourth proportional to 5,185,300.74, 7,766,753.67 and 5,058,396.42 is: 7,576,671.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,300.74 : 7,766,753.67 = 5,058,396.42 : x
  2. Step 2: Convert to fraction form
    5,185,300.74/7,766,753.67 = 5,058,396.42/x
  3. Step 3: Cross multiply
    5,185,300.74x = 7,766,753.67 × 5,058,396.42
  4. Step 4: Simplify right side
    5,185,300.74x = 39,287,318,959,349.86
  5. Step 5: Solve for x
    x = 39,287,318,959,349.86/5,185,300.74
  6. Step 6: Final answer
    x = 7,576,671.23

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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.