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Finding the Fourth Proportional to 5,572.91, 8,310.25 and 5,522.94

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Solution

The fourth proportional to 5,572.91, 8,310.25 and 5,522.94 is: 8,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.91 : 8,310.25 = 5,522.94 : x
  2. Step 2: Convert to fraction form
    5,572.91/8,310.25 = 5,522.94/x
  3. Step 3: Cross multiply
    5,572.91x = 8,310.25 × 5,522.94
  4. Step 4: Simplify right side
    5,572.91x = 45,896,984.52
  5. Step 5: Solve for x
    x = 45,896,984.52/5,572.91
  6. Step 6: Final answer
    x = 8,235.73

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