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Finding the Fourth Proportional to 5,866.69, 8,800.15 and 1,917.96

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Solution

The fourth proportional to 5,866.69, 8,800.15 and 1,917.96 is: 2,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866.69 : 8,800.15 = 1,917.96 : x
  2. Step 2: Convert to fraction form
    5,866.69/8,800.15 = 1,917.96/x
  3. Step 3: Cross multiply
    5,866.69x = 8,800.15 × 1,917.96
  4. Step 4: Simplify right side
    5,866.69x = 16,878,335.69
  5. Step 5: Solve for x
    x = 16,878,335.69/5,866.69
  6. Step 6: Final answer
    x = 2,876.98

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1.5x scale

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.