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Finding the Fourth Proportional to 6,643,095.90, 9,964,643.85 and 6,055,230.30

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Solution

The fourth proportional to 6,643,095.90, 9,964,643.85 and 6,055,230.30 is: 9,082,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,095.90 : 9,964,643.85 = 6,055,230.30 : x
  2. Step 2: Convert to fraction form
    6,643,095.90/9,964,643.85 = 6,055,230.30/x
  3. Step 3: Cross multiply
    6,643,095.90x = 9,964,643.85 × 6,055,230.30
  4. Step 4: Simplify right side
    6,643,095.90x = 60,338,213,369,228.65
  5. Step 5: Solve for x
    x = 60,338,213,369,228.65/6,643,095.90
  6. Step 6: Final answer
    x = 9,082,845.45

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Double scale
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Similar ratio
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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.