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Finding the Fourth Proportional to 6,496,965.96, 8,965,704.21 and 3,596,294.40

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Solution

The fourth proportional to 6,496,965.96, 8,965,704.21 and 3,596,294.40 is: 4,962,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,496,965.96 : 8,965,704.21 = 3,596,294.40 : x
  2. Step 2: Convert to fraction form
    6,496,965.96/8,965,704.21 = 3,596,294.40/x
  3. Step 3: Cross multiply
    6,496,965.96x = 8,965,704.21 × 3,596,294.40
  4. Step 4: Simplify right side
    6,496,965.96x = 32,243,311,842,479.43
  5. Step 5: Solve for x
    x = 32,243,311,842,479.43/6,496,965.96
  6. Step 6: Final answer
    x = 4,962,826.04

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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.