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Finding the Fourth Proportional to 6,503,356.92, 8,974,632.96 and 3,563,186.52

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Solution

The fourth proportional to 6,503,356.92, 8,974,632.96 and 3,563,186.52 is: 4,917,197.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503,356.92 : 8,974,632.96 = 3,563,186.52 : x
  2. Step 2: Convert to fraction form
    6,503,356.92/8,974,632.96 = 3,563,186.52/x
  3. Step 3: Cross multiply
    6,503,356.92x = 8,974,632.96 × 3,563,186.52
  4. Step 4: Simplify right side
    6,503,356.92x = 31,978,291,185,019.70
  5. Step 5: Solve for x
    x = 31,978,291,185,019.70/6,503,356.92
  6. Step 6: Final answer
    x = 4,917,197.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.