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Finding the Fourth Proportional to 5,608,357.07, 7,739,538.23 and 3,030,039.90

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Solution

The fourth proportional to 5,608,357.07, 7,739,538.23 and 3,030,039.90 is: 4,181,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608,357.07 : 7,739,538.23 = 3,030,039.90 : x
  2. Step 2: Convert to fraction form
    5,608,357.07/7,739,538.23 = 3,030,039.90/x
  3. Step 3: Cross multiply
    5,608,357.07x = 7,739,538.23 × 3,030,039.90
  4. Step 4: Simplify right side
    5,608,357.07x = 23,451,109,644,475.38
  5. Step 5: Solve for x
    x = 23,451,109,644,475.38/5,608,357.07
  6. Step 6: Final answer
    x = 4,181,458.02

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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.