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Finding the Fourth Proportional to 5,770.32, 8,650.05 and 5,256.75

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Solution

The fourth proportional to 5,770.32, 8,650.05 and 5,256.75 is: 7,880.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,770.32 : 8,650.05 = 5,256.75 : x
  2. Step 2: Convert to fraction form
    5,770.32/8,650.05 = 5,256.75/x
  3. Step 3: Cross multiply
    5,770.32x = 8,650.05 × 5,256.75
  4. Step 4: Simplify right side
    5,770.32x = 45,471,150.34
  5. Step 5: Solve for x
    x = 45,471,150.34/5,770.32
  6. Step 6: Final answer
    x = 7,880.18

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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.