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Finding the Fourth Proportional to 6,668,647.08, 9,202,742.60 and 3,612,861.24

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Solution

The fourth proportional to 6,668,647.08, 9,202,742.60 and 3,612,861.24 is: 4,985,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668,647.08 : 9,202,742.60 = 3,612,861.24 : x
  2. Step 2: Convert to fraction form
    6,668,647.08/9,202,742.60 = 3,612,861.24/x
  3. Step 3: Cross multiply
    6,668,647.08x = 9,202,742.60 × 3,612,861.24
  4. Step 4: Simplify right side
    6,668,647.08x = 33,248,232,041,236.82
  5. Step 5: Solve for x
    x = 33,248,232,041,236.82/6,668,647.08
  6. Step 6: Final answer
    x = 4,985,753.73

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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.