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Finding the Fourth Proportional to 9,672,294.04, 13,347,765.16 and 5,321,286.90

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Solution

The fourth proportional to 9,672,294.04, 13,347,765.16 and 5,321,286.90 is: 7,343,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,294.04 : 13,347,765.16 = 5,321,286.90 : x
  2. Step 2: Convert to fraction form
    9,672,294.04/13,347,765.16 = 5,321,286.90/x
  3. Step 3: Cross multiply
    9,672,294.04x = 13,347,765.16 × 5,321,286.90
  4. Step 4: Simplify right side
    9,672,294.04x = 71,027,287,876,881.19
  5. Step 5: Solve for x
    x = 71,027,287,876,881.19/9,672,294.04
  6. Step 6: Final answer
    x = 7,343,375.58

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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.