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Finding the Fourth Proportional to 5,698.86, 8,551.98 and 2,775.57

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Solution

The fourth proportional to 5,698.86, 8,551.98 and 2,775.57 is: 4,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.86 : 8,551.98 = 2,775.57 : x
  2. Step 2: Convert to fraction form
    5,698.86/8,551.98 = 2,775.57/x
  3. Step 3: Cross multiply
    5,698.86x = 8,551.98 × 2,775.57
  4. Step 4: Simplify right side
    5,698.86x = 23,736,619.13
  5. Step 5: Solve for x
    x = 23,736,619.13/5,698.86
  6. Step 6: Final answer
    x = 4,165.15

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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.