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Finding the Fourth Proportional to 5,910,153.02, 8,865,231.24 and 1,422,429.02

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Solution

The fourth proportional to 5,910,153.02, 8,865,231.24 and 1,422,429.02 is: 2,133,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910,153.02 : 8,865,231.24 = 1,422,429.02 : x
  2. Step 2: Convert to fraction form
    5,910,153.02/8,865,231.24 = 1,422,429.02/x
  3. Step 3: Cross multiply
    5,910,153.02x = 8,865,231.24 × 1,422,429.02
  4. Step 4: Simplify right side
    5,910,153.02x = 12,610,162,184,786.59
  5. Step 5: Solve for x
    x = 12,610,162,184,786.59/5,910,153.02
  6. Step 6: Final answer
    x = 2,133,643.94

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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.