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Finding the Fourth Proportional to 5,012.76, 7,525.62 and 4,248.12

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Solution

The fourth proportional to 5,012.76, 7,525.62 and 4,248.12 is: 6,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.76 : 7,525.62 = 4,248.12 : x
  2. Step 2: Convert to fraction form
    5,012.76/7,525.62 = 4,248.12/x
  3. Step 3: Cross multiply
    5,012.76x = 7,525.62 × 4,248.12
  4. Step 4: Simplify right side
    5,012.76x = 31,969,736.83
  5. Step 5: Solve for x
    x = 31,969,736.83/5,012.76
  6. Step 6: Final answer
    x = 6,377.67

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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.