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Finding the Fourth Proportional to 5,000.26, 7,500.36 and 1,490.24

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Solution

The fourth proportional to 5,000.26, 7,500.36 and 1,490.24 is: 2,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.26 : 7,500.36 = 1,490.24 : x
  2. Step 2: Convert to fraction form
    5,000.26/7,500.36 = 1,490.24/x
  3. Step 3: Cross multiply
    5,000.26x = 7,500.36 × 1,490.24
  4. Step 4: Simplify right side
    5,000.26x = 11,177,336.49
  5. Step 5: Solve for x
    x = 11,177,336.49/5,000.26
  6. Step 6: Final answer
    x = 2,235.35

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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.