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Finding the Fourth Proportional to 5,404,749.96, 7,458,439.80 and 2,957,351.16

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Solution

The fourth proportional to 5,404,749.96, 7,458,439.80 and 2,957,351.16 is: 4,081,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404,749.96 : 7,458,439.80 = 2,957,351.16 : x
  2. Step 2: Convert to fraction form
    5,404,749.96/7,458,439.80 = 2,957,351.16/x
  3. Step 3: Cross multiply
    5,404,749.96x = 7,458,439.80 × 2,957,351.16
  4. Step 4: Simplify right side
    5,404,749.96x = 22,057,225,594,320.17
  5. Step 5: Solve for x
    x = 22,057,225,594,320.17/5,404,749.96
  6. Step 6: Final answer
    x = 4,081,081.60

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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.