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Finding the Fourth Proportional to 20,012.01, 30,018.01 and 7,534.83

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Solution

The fourth proportional to 20,012.01, 30,018.01 and 7,534.83 is: 11,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.01 : 30,018.01 = 7,534.83 : x
  2. Step 2: Convert to fraction form
    20,012.01/30,018.01 = 7,534.83/x
  3. Step 3: Cross multiply
    20,012.01x = 30,018.01 × 7,534.83
  4. Step 4: Simplify right side
    20,012.01x = 226,180,602.29
  5. Step 5: Solve for x
    x = 226,180,602.29/20,012.01
  6. Step 6: Final answer
    x = 11,302.24

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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.