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Finding the Fourth Proportional to 6,604,662.40, 9,897,662.40 and 4,885,388.80

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Solution

The fourth proportional to 6,604,662.40, 9,897,662.40 and 4,885,388.80 is: 7,321,181.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604,662.40 : 9,897,662.40 = 4,885,388.80 : x
  2. Step 2: Convert to fraction form
    6,604,662.40/9,897,662.40 = 4,885,388.80/x
  3. Step 3: Cross multiply
    6,604,662.40x = 9,897,662.40 × 4,885,388.80
  4. Step 4: Simplify right side
    6,604,662.40x = 48,353,929,035,141.12
  5. Step 5: Solve for x
    x = 48,353,929,035,141.12/6,604,662.40
  6. Step 6: Final answer
    x = 7,321,181.02

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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.