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Finding the Fourth Proportional to 11,611.70, 17,419.81 and 4,595.01

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Solution

The fourth proportional to 11,611.70, 17,419.81 and 4,595.01 is: 6,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.70 : 17,419.81 = 4,595.01 : x
  2. Step 2: Convert to fraction form
    11,611.70/17,419.81 = 4,595.01/x
  3. Step 3: Cross multiply
    11,611.70x = 17,419.81 × 4,595.01
  4. Step 4: Simplify right side
    11,611.70x = 80,044,201.15
  5. Step 5: Solve for x
    x = 80,044,201.15/11,611.70
  6. Step 6: Final answer
    x = 6,893.41

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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.