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Finding the Fourth Proportional to 21,741.08, 32,603.11 and 7,695.68

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Solution

The fourth proportional to 21,741.08, 32,603.11 and 7,695.68 is: 11,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,741.08 : 32,603.11 = 7,695.68 : x
  2. Step 2: Convert to fraction form
    21,741.08/32,603.11 = 7,695.68/x
  3. Step 3: Cross multiply
    21,741.08x = 32,603.11 × 7,695.68
  4. Step 4: Simplify right side
    21,741.08x = 250,902,919.31
  5. Step 5: Solve for x
    x = 250,902,919.31/21,741.08
  6. Step 6: Final answer
    x = 11,540.50

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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.