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Finding the Fourth Proportional to 6,505,603.64, 8,977,785.72 and 3,605,042.92

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Solution

The fourth proportional to 6,505,603.64, 8,977,785.72 and 3,605,042.92 is: 4,974,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505,603.64 : 8,977,785.72 = 3,605,042.92 : x
  2. Step 2: Convert to fraction form
    6,505,603.64/8,977,785.72 = 3,605,042.92/x
  3. Step 3: Cross multiply
    6,505,603.64x = 8,977,785.72 × 3,605,042.92
  4. Step 4: Simplify right side
    6,505,603.64x = 32,365,302,847,163.11
  5. Step 5: Solve for x
    x = 32,365,302,847,163.11/6,505,603.64
  6. Step 6: Final answer
    x = 4,974,988.43

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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.