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Finding the Fourth Proportional to 22,394.70, 33,543.45 and 18,506.70

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Solution

The fourth proportional to 22,394.70, 33,543.45 and 18,506.70 is: 27,719.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,394.70 : 33,543.45 = 18,506.70 : x
  2. Step 2: Convert to fraction form
    22,394.70/33,543.45 = 18,506.70/x
  3. Step 3: Cross multiply
    22,394.70x = 33,543.45 × 18,506.70
  4. Step 4: Simplify right side
    22,394.70x = 620,778,566.12
  5. Step 5: Solve for x
    x = 620,778,566.12/22,394.70
  6. Step 6: Final answer
    x = 27,719.89

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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.