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Finding the Fourth Proportional to 7,134,498.72, 9,844,957.44 and 4,233,389.76

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Solution

The fourth proportional to 7,134,498.72, 9,844,957.44 and 4,233,389.76 is: 5,841,691.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,498.72 : 9,844,957.44 = 4,233,389.76 : x
  2. Step 2: Convert to fraction form
    7,134,498.72/9,844,957.44 = 4,233,389.76/x
  3. Step 3: Cross multiply
    7,134,498.72x = 9,844,957.44 × 4,233,389.76
  4. Step 4: Simplify right side
    7,134,498.72x = 41,677,542,014,131.81
  5. Step 5: Solve for x
    x = 41,677,542,014,131.81/7,134,498.72
  6. Step 6: Final answer
    x = 5,841,691.71

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Double scale
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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.