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Finding the Fourth Proportional to 18,452.58, 27,678.96 and 4,601.58

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Solution

The fourth proportional to 18,452.58, 27,678.96 and 4,601.58 is: 6,902.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.58 : 27,678.96 = 4,601.58 : x
  2. Step 2: Convert to fraction form
    18,452.58/27,678.96 = 4,601.58/x
  3. Step 3: Cross multiply
    18,452.58x = 27,678.96 × 4,601.58
  4. Step 4: Simplify right side
    18,452.58x = 127,366,948.76
  5. Step 5: Solve for x
    x = 127,366,948.76/18,452.58
  6. Step 6: Final answer
    x = 6,902.39

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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.