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Finding the Fourth Proportional to 8,796,474.72, 12,138,841.44 and 4,876,066.08

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Solution

The fourth proportional to 8,796,474.72, 12,138,841.44 and 4,876,066.08 is: 6,728,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796,474.72 : 12,138,841.44 = 4,876,066.08 : x
  2. Step 2: Convert to fraction form
    8,796,474.72/12,138,841.44 = 4,876,066.08/x
  3. Step 3: Cross multiply
    8,796,474.72x = 12,138,841.44 × 4,876,066.08
  4. Step 4: Simplify right side
    8,796,474.72x = 59,189,792,996,082.35
  5. Step 5: Solve for x
    x = 59,189,792,996,082.35/8,796,474.72
  6. Step 6: Final answer
    x = 6,728,808.40

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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.