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Finding the Fourth Proportional to 6,656,941.72, 9,186,490.26 and 3,716,803.97

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Solution

The fourth proportional to 6,656,941.72, 9,186,490.26 and 3,716,803.97 is: 5,129,139.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656,941.72 : 9,186,490.26 = 3,716,803.97 : x
  2. Step 2: Convert to fraction form
    6,656,941.72/9,186,490.26 = 3,716,803.97/x
  3. Step 3: Cross multiply
    6,656,941.72x = 9,186,490.26 × 3,716,803.97
  4. Step 4: Simplify right side
    6,656,941.72x = 34,144,383,457,251.22
  5. Step 5: Solve for x
    x = 34,144,383,457,251.22/6,656,941.72
  6. Step 6: Final answer
    x = 5,129,139.61

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