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Finding the Fourth Proportional to 5,185,300.24, 7,766,752.92 and 5,058,395.92

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Solution

The fourth proportional to 5,185,300.24, 7,766,752.92 and 5,058,395.92 is: 7,576,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,300.24 : 7,766,752.92 = 5,058,395.92 : x
  2. Step 2: Convert to fraction form
    5,185,300.24/7,766,752.92 = 5,058,395.92/x
  3. Step 3: Cross multiply
    5,185,300.24x = 7,766,752.92 × 5,058,395.92
  4. Step 4: Simplify right side
    5,185,300.24x = 39,287,311,282,176.09
  5. Step 5: Solve for x
    x = 39,287,311,282,176.09/5,185,300.24
  6. Step 6: Final answer
    x = 7,576,670.48

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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.