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Finding the Fourth Proportional to 21,929.58, 32,884.11 and 9,449.10

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Solution

The fourth proportional to 21,929.58, 32,884.11 and 9,449.10 is: 14,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.58 : 32,884.11 = 9,449.10 : x
  2. Step 2: Convert to fraction form
    21,929.58/32,884.11 = 9,449.10/x
  3. Step 3: Cross multiply
    21,929.58x = 32,884.11 × 9,449.10
  4. Step 4: Simplify right side
    21,929.58x = 310,725,243.80
  5. Step 5: Solve for x
    x = 310,725,243.80/21,929.58
  6. Step 6: Final answer
    x = 14,169.23

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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.