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Finding the Fourth Proportional to 5,923,551.69, 8,885,659.86 and 1,663,387.74

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Solution

The fourth proportional to 5,923,551.69, 8,885,659.86 and 1,663,387.74 is: 2,495,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923,551.69 : 8,885,659.86 = 1,663,387.74 : x
  2. Step 2: Convert to fraction form
    5,923,551.69/8,885,659.86 = 1,663,387.74/x
  3. Step 3: Cross multiply
    5,923,551.69x = 8,885,659.86 × 1,663,387.74
  4. Step 4: Simplify right side
    5,923,551.69x = 14,780,297,672,934.12
  5. Step 5: Solve for x
    x = 14,780,297,672,934.12/5,923,551.69
  6. Step 6: Final answer
    x = 2,495,174.93

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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.