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Finding the Fourth Proportional to 21,969.83, 32,959.27 and 8,823.23

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Solution

The fourth proportional to 21,969.83, 32,959.27 and 8,823.23 is: 13,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.83 : 32,959.27 = 8,823.23 : x
  2. Step 2: Convert to fraction form
    21,969.83/32,959.27 = 8,823.23/x
  3. Step 3: Cross multiply
    21,969.83x = 32,959.27 × 8,823.23
  4. Step 4: Simplify right side
    21,969.83x = 290,807,189.67
  5. Step 5: Solve for x
    x = 290,807,189.67/21,969.83
  6. Step 6: Final answer
    x = 13,236.66

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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.