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Finding the Fourth Proportional to 17,478.25, 26,220.05 and 5,794.21

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Solution

The fourth proportional to 17,478.25, 26,220.05 and 5,794.21 is: 8,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.25 : 26,220.05 = 5,794.21 : x
  2. Step 2: Convert to fraction form
    17,478.25/26,220.05 = 5,794.21/x
  3. Step 3: Cross multiply
    17,478.25x = 26,220.05 × 5,794.21
  4. Step 4: Simplify right side
    17,478.25x = 151,924,475.91
  5. Step 5: Solve for x
    x = 151,924,475.91/17,478.25
  6. Step 6: Final answer
    x = 8,692.20

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Half scale
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Double scale
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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.