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Finding the Fourth Proportional to 5,630.28, 8,445.42 and 2,509.48

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Solution

The fourth proportional to 5,630.28, 8,445.42 and 2,509.48 is: 3,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.28 : 8,445.42 = 2,509.48 : x
  2. Step 2: Convert to fraction form
    5,630.28/8,445.42 = 2,509.48/x
  3. Step 3: Cross multiply
    5,630.28x = 8,445.42 × 2,509.48
  4. Step 4: Simplify right side
    5,630.28x = 21,193,612.58
  5. Step 5: Solve for x
    x = 21,193,612.58/5,630.28
  6. Step 6: Final answer
    x = 3,764.22

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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.