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Finding the Fourth Proportional to 5,001.56, 7,501.02 and 1,490.62

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Solution

The fourth proportional to 5,001.56, 7,501.02 and 1,490.62 is: 2,235.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.56 : 7,501.02 = 1,490.62 : x
  2. Step 2: Convert to fraction form
    5,001.56/7,501.02 = 1,490.62/x
  3. Step 3: Cross multiply
    5,001.56x = 7,501.02 × 1,490.62
  4. Step 4: Simplify right side
    5,001.56x = 11,181,170.43
  5. Step 5: Solve for x
    x = 11,181,170.43/5,001.56
  6. Step 6: Final answer
    x = 2,235.54

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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.