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Finding the Fourth Proportional to 7,520.03, 11,300.48 and 4,012.48

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Solution

The fourth proportional to 7,520.03, 11,300.48 and 4,012.48 is: 6,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.03 : 11,300.48 = 4,012.48 : x
  2. Step 2: Convert to fraction form
    7,520.03/11,300.48 = 4,012.48/x
  3. Step 3: Cross multiply
    7,520.03x = 11,300.48 × 4,012.48
  4. Step 4: Simplify right side
    7,520.03x = 45,342,901.68
  5. Step 5: Solve for x
    x = 45,342,901.68/7,520.03
  6. Step 6: Final answer
    x = 6,029.62

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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.