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Finding the Fourth Proportional to 3,155.55, 4,733.33 and 3,150.99

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Solution

The fourth proportional to 3,155.55, 4,733.33 and 3,150.99 is: 4,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.55 : 4,733.33 = 3,150.99 : x
  2. Step 2: Convert to fraction form
    3,155.55/4,733.33 = 3,150.99/x
  3. Step 3: Cross multiply
    3,155.55x = 4,733.33 × 3,150.99
  4. Step 4: Simplify right side
    3,155.55x = 14,914,675.50
  5. Step 5: Solve for x
    x = 14,914,675.50/3,155.55
  6. Step 6: Final answer
    x = 4,726.49

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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.