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Finding the Fourth Proportional to 5,608,357.57, 7,739,538.93 and 3,030,040.40

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Solution

The fourth proportional to 5,608,357.57, 7,739,538.93 and 3,030,040.40 is: 4,181,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608,357.57 : 7,739,538.93 = 3,030,040.40 : x
  2. Step 2: Convert to fraction form
    5,608,357.57/7,739,538.93 = 3,030,040.40/x
  3. Step 3: Cross multiply
    5,608,357.57x = 7,739,538.93 × 3,030,040.40
  4. Step 4: Simplify right side
    5,608,357.57x = 23,451,115,635,272.77
  5. Step 5: Solve for x
    x = 23,451,115,635,272.77/5,608,357.57
  6. Step 6: Final answer
    x = 4,181,458.71

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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.