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Finding the Fourth Proportional to 21,832.62, 32,755.32 and 7,041.24

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Solution

The fourth proportional to 21,832.62, 32,755.32 and 7,041.24 is: 10,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,832.62 : 32,755.32 = 7,041.24 : x
  2. Step 2: Convert to fraction form
    21,832.62/32,755.32 = 7,041.24/x
  3. Step 3: Cross multiply
    21,832.62x = 32,755.32 × 7,041.24
  4. Step 4: Simplify right side
    21,832.62x = 230,638,069.40
  5. Step 5: Solve for x
    x = 230,638,069.40/21,832.62
  6. Step 6: Final answer
    x = 10,563.92

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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.