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Finding the Fourth Proportional to 5,250.85, 7,255.78 and 4,494.51

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Solution

The fourth proportional to 5,250.85, 7,255.78 and 4,494.51 is: 6,210.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.85 : 7,255.78 = 4,494.51 : x
  2. Step 2: Convert to fraction form
    5,250.85/7,255.78 = 4,494.51/x
  3. Step 3: Cross multiply
    5,250.85x = 7,255.78 × 4,494.51
  4. Step 4: Simplify right side
    5,250.85x = 32,611,164.53
  5. Step 5: Solve for x
    x = 32,611,164.53/5,250.85
  6. Step 6: Final answer
    x = 6,210.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.