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Finding the Fourth Proportional to 6,658,869.53, 9,195,449.67 and 4,901,128.43

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Solution

The fourth proportional to 6,658,869.53, 9,195,449.67 and 4,901,128.43 is: 6,768,127.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,869.53 : 9,195,449.67 = 4,901,128.43 : x
  2. Step 2: Convert to fraction form
    6,658,869.53/9,195,449.67 = 4,901,128.43/x
  3. Step 3: Cross multiply
    6,658,869.53x = 9,195,449.67 × 4,901,128.43
  4. Step 4: Simplify right side
    6,658,869.53x = 45,068,079,758,293.87
  5. Step 5: Solve for x
    x = 45,068,079,758,293.87/6,658,869.53
  6. Step 6: Final answer
    x = 6,768,127.76

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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.