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Finding the Fourth Proportional to 22,274.40, 33,368.52 and 12,383.70

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Solution

The fourth proportional to 22,274.40, 33,368.52 and 12,383.70 is: 18,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,274.40 : 33,368.52 = 12,383.70 : x
  2. Step 2: Convert to fraction form
    22,274.40/33,368.52 = 12,383.70/x
  3. Step 3: Cross multiply
    22,274.40x = 33,368.52 × 12,383.70
  4. Step 4: Simplify right side
    22,274.40x = 413,225,741.12
  5. Step 5: Solve for x
    x = 413,225,741.12/22,274.40
  6. Step 6: Final answer
    x = 18,551.60

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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.