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Finding the Fourth Proportional to 5,000.56, 7,502.09 and 1,490.56

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Solution

The fourth proportional to 5,000.56, 7,502.09 and 1,490.56 is: 2,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.56 : 7,502.09 = 1,490.56 : x
  2. Step 2: Convert to fraction form
    5,000.56/7,502.09 = 1,490.56/x
  3. Step 3: Cross multiply
    5,000.56x = 7,502.09 × 1,490.56
  4. Step 4: Simplify right side
    5,000.56x = 11,182,315.27
  5. Step 5: Solve for x
    x = 11,182,315.27/5,000.56
  6. Step 6: Final answer
    x = 2,236.21

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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.