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Finding the Fourth Proportional to 6,651,862.30, 9,977,793.45 and 5,057,539.30

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Solution

The fourth proportional to 6,651,862.30, 9,977,793.45 and 5,057,539.30 is: 7,586,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,651,862.30 : 9,977,793.45 = 5,057,539.30 : x
  2. Step 2: Convert to fraction form
    6,651,862.30/9,977,793.45 = 5,057,539.30/x
  3. Step 3: Cross multiply
    6,651,862.30x = 9,977,793.45 × 5,057,539.30
  4. Step 4: Simplify right side
    6,651,862.30x = 50,463,082,500,657.58
  5. Step 5: Solve for x
    x = 50,463,082,500,657.58/6,651,862.30
  6. Step 6: Final answer
    x = 7,586,308.95

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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.