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Finding the Fourth Proportional to 20,027.58, 30,043.42 and 7,558.10

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Solution

The fourth proportional to 20,027.58, 30,043.42 and 7,558.10 is: 11,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027.58 : 30,043.42 = 7,558.10 : x
  2. Step 2: Convert to fraction form
    20,027.58/30,043.42 = 7,558.10/x
  3. Step 3: Cross multiply
    20,027.58x = 30,043.42 × 7,558.10
  4. Step 4: Simplify right side
    20,027.58x = 227,071,158.77
  5. Step 5: Solve for x
    x = 227,071,158.77/20,027.58
  6. Step 6: Final answer
    x = 11,337.93

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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.