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Finding the Fourth Proportional to 20,034.66, 30,051.99 and 7,557.48

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Solution

The fourth proportional to 20,034.66, 30,051.99 and 7,557.48 is: 11,336.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.66 : 30,051.99 = 7,557.48 : x
  2. Step 2: Convert to fraction form
    20,034.66/30,051.99 = 7,557.48/x
  3. Step 3: Cross multiply
    20,034.66x = 30,051.99 × 7,557.48
  4. Step 4: Simplify right side
    20,034.66x = 227,117,313.39
  5. Step 5: Solve for x
    x = 227,117,313.39/20,034.66
  6. Step 6: Final answer
    x = 11,336.22

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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.