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Finding the Fourth Proportional to 3,566.22, 5,349.36 and 969.18

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Solution

The fourth proportional to 3,566.22, 5,349.36 and 969.18 is: 1,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.22 : 5,349.36 = 969.18 : x
  2. Step 2: Convert to fraction form
    3,566.22/5,349.36 = 969.18/x
  3. Step 3: Cross multiply
    3,566.22x = 5,349.36 × 969.18
  4. Step 4: Simplify right side
    3,566.22x = 5,184,492.72
  5. Step 5: Solve for x
    x = 5,184,492.72/3,566.22
  6. Step 6: Final answer
    x = 1,453.78

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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.