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Finding the Fourth Proportional to 18,407.54, 27,611.01 and 4,556.54

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Solution

The fourth proportional to 18,407.54, 27,611.01 and 4,556.54 is: 6,834.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.54 : 27,611.01 = 4,556.54 : x
  2. Step 2: Convert to fraction form
    18,407.54/27,611.01 = 4,556.54/x
  3. Step 3: Cross multiply
    18,407.54x = 27,611.01 × 4,556.54
  4. Step 4: Simplify right side
    18,407.54x = 125,810,740.53
  5. Step 5: Solve for x
    x = 125,810,740.53/18,407.54
  6. Step 6: Final answer
    x = 6,834.74

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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.