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Finding the Fourth Proportional to 21,959.03, 32,914.92 and 9,484.92

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Solution

The fourth proportional to 21,959.03, 32,914.92 and 9,484.92 is: 14,217.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,959.03 : 32,914.92 = 9,484.92 : x
  2. Step 2: Convert to fraction form
    21,959.03/32,914.92 = 9,484.92/x
  3. Step 3: Cross multiply
    21,959.03x = 32,914.92 × 9,484.92
  4. Step 4: Simplify right side
    21,959.03x = 312,195,383.01
  5. Step 5: Solve for x
    x = 312,195,383.01/21,959.03
  6. Step 6: Final answer
    x = 14,217.18

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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.