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Finding the Fourth Proportional to 5,503.75, 8,255.63 and 2,425.75

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Solution

The fourth proportional to 5,503.75, 8,255.63 and 2,425.75 is: 3,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.75 : 8,255.63 = 2,425.75 : x
  2. Step 2: Convert to fraction form
    5,503.75/8,255.63 = 2,425.75/x
  3. Step 3: Cross multiply
    5,503.75x = 8,255.63 × 2,425.75
  4. Step 4: Simplify right side
    5,503.75x = 20,026,094.47
  5. Step 5: Solve for x
    x = 20,026,094.47/5,503.75
  6. Step 6: Final answer
    x = 3,638.63

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Half scale
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Double scale
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Similar ratio
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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.