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Finding the Fourth Proportional to 6,294,271.22, 9,441,375.67 and 5,438,739.45

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Solution

The fourth proportional to 6,294,271.22, 9,441,375.67 and 5,438,739.45 is: 8,158,082.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,294,271.22 : 9,441,375.67 = 5,438,739.45 : x
  2. Step 2: Convert to fraction form
    6,294,271.22/9,441,375.67 = 5,438,739.45/x
  3. Step 3: Cross multiply
    6,294,271.22x = 9,441,375.67 × 5,438,739.45
  4. Step 4: Simplify right side
    6,294,271.22x = 51,349,182,318,699.18
  5. Step 5: Solve for x
    x = 51,349,182,318,699.18/6,294,271.22
  6. Step 6: Final answer
    x = 8,158,082.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.