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Finding the Fourth Proportional to 32,797.94, 45,274.29 and 21,646.58

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Solution

The fourth proportional to 32,797.94, 45,274.29 and 21,646.58 is: 29,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,797.94 : 45,274.29 = 21,646.58 : x
  2. Step 2: Convert to fraction form
    32,797.94/45,274.29 = 21,646.58/x
  3. Step 3: Cross multiply
    32,797.94x = 45,274.29 × 21,646.58
  4. Step 4: Simplify right side
    32,797.94x = 980,033,540.43
  5. Step 5: Solve for x
    x = 980,033,540.43/32,797.94
  6. Step 6: Final answer
    x = 29,880.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.