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Finding the Fourth Proportional to 5,583.87, 7,706.88 and 3,225.69

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Solution

The fourth proportional to 5,583.87, 7,706.88 and 3,225.69 is: 4,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.87 : 7,706.88 = 3,225.69 : x
  2. Step 2: Convert to fraction form
    5,583.87/7,706.88 = 3,225.69/x
  3. Step 3: Cross multiply
    5,583.87x = 7,706.88 × 3,225.69
  4. Step 4: Simplify right side
    5,583.87x = 24,860,005.75
  5. Step 5: Solve for x
    x = 24,860,005.75/5,583.87
  6. Step 6: Final answer
    x = 4,452.11

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.