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Finding the Fourth Proportional to 5,752.56, 7,930.08 and 4,068.48

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Solution

The fourth proportional to 5,752.56, 7,930.08 and 4,068.48 is: 5,608.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.56 : 7,930.08 = 4,068.48 : x
  2. Step 2: Convert to fraction form
    5,752.56/7,930.08 = 4,068.48/x
  3. Step 3: Cross multiply
    5,752.56x = 7,930.08 × 4,068.48
  4. Step 4: Simplify right side
    5,752.56x = 32,263,371.88
  5. Step 5: Solve for x
    x = 32,263,371.88/5,752.56
  6. Step 6: Final answer
    x = 5,608.52

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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.