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Finding the Fourth Proportional to 5,608,354.57, 7,739,534.79 and 3,030,037.40

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Solution

The fourth proportional to 5,608,354.57, 7,739,534.79 and 3,030,037.40 is: 4,181,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608,354.57 : 7,739,534.79 = 3,030,037.40 : x
  2. Step 2: Convert to fraction form
    5,608,354.57/7,739,534.79 = 3,030,037.40/x
  3. Step 3: Cross multiply
    5,608,354.57x = 7,739,534.79 × 3,030,037.40
  4. Step 4: Simplify right side
    5,608,354.57x = 23,451,079,872,301.14
  5. Step 5: Solve for x
    x = 23,451,079,872,301.14/5,608,354.57
  6. Step 6: Final answer
    x = 4,181,454.57

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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.