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Finding the Fourth Proportional to 18,152.34, 27,230.19 and 7,059.86

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Solution

The fourth proportional to 18,152.34, 27,230.19 and 7,059.86 is: 10,590.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,152.34 : 27,230.19 = 7,059.86 : x
  2. Step 2: Convert to fraction form
    18,152.34/27,230.19 = 7,059.86/x
  3. Step 3: Cross multiply
    18,152.34x = 27,230.19 × 7,059.86
  4. Step 4: Simplify right side
    18,152.34x = 192,241,268.66
  5. Step 5: Solve for x
    x = 192,241,268.66/18,152.34
  6. Step 6: Final answer
    x = 10,590.44

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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.