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Finding the Fourth Proportional to 5,751.66, 8,627.85 and 1,856.22

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Solution

The fourth proportional to 5,751.66, 8,627.85 and 1,856.22 is: 2,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.66 : 8,627.85 = 1,856.22 : x
  2. Step 2: Convert to fraction form
    5,751.66/8,627.85 = 1,856.22/x
  3. Step 3: Cross multiply
    5,751.66x = 8,627.85 × 1,856.22
  4. Step 4: Simplify right side
    5,751.66x = 16,015,187.73
  5. Step 5: Solve for x
    x = 16,015,187.73/5,751.66
  6. Step 6: Final answer
    x = 2,784.45

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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.