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Finding the Fourth Proportional to 4,713,789.18, 7,065,199.87 and 2,693,449.52

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Solution

The fourth proportional to 4,713,789.18, 7,065,199.87 and 2,693,449.52 is: 4,037,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,713,789.18 : 7,065,199.87 = 2,693,449.52 : x
  2. Step 2: Convert to fraction form
    4,713,789.18/7,065,199.87 = 2,693,449.52/x
  3. Step 3: Cross multiply
    4,713,789.18x = 7,065,199.87 × 2,693,449.52
  4. Step 4: Simplify right side
    4,713,789.18x = 19,029,759,156,495.94
  5. Step 5: Solve for x
    x = 19,029,759,156,495.94/4,713,789.18
  6. Step 6: Final answer
    x = 4,037,040.78

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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.