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Finding the Fourth Proportional to 21,334.38, 32,016.14 and 7,483.38

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Solution

The fourth proportional to 21,334.38, 32,016.14 and 7,483.38 is: 11,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.38 : 32,016.14 = 7,483.38 : x
  2. Step 2: Convert to fraction form
    21,334.38/32,016.14 = 7,483.38/x
  3. Step 3: Cross multiply
    21,334.38x = 32,016.14 × 7,483.38
  4. Step 4: Simplify right side
    21,334.38x = 239,588,941.75
  5. Step 5: Solve for x
    x = 239,588,941.75/21,334.38
  6. Step 6: Final answer
    x = 11,230.18

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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.