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Finding the Fourth Proportional to 5,012.56, 7,520.28 and 1,550.32

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Solution

The fourth proportional to 5,012.56, 7,520.28 and 1,550.32 is: 2,325.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.56 : 7,520.28 = 1,550.32 : x
  2. Step 2: Convert to fraction form
    5,012.56/7,520.28 = 1,550.32/x
  3. Step 3: Cross multiply
    5,012.56x = 7,520.28 × 1,550.32
  4. Step 4: Simplify right side
    5,012.56x = 11,658,840.49
  5. Step 5: Solve for x
    x = 11,658,840.49/5,012.56
  6. Step 6: Final answer
    x = 2,325.93

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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.