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Finding the Fourth Proportional to 5,612.53, 7,745.58 and 3,254.71

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Solution

The fourth proportional to 5,612.53, 7,745.58 and 3,254.71 is: 4,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.53 : 7,745.58 = 3,254.71 : x
  2. Step 2: Convert to fraction form
    5,612.53/7,745.58 = 3,254.71/x
  3. Step 3: Cross multiply
    5,612.53x = 7,745.58 × 3,254.71
  4. Step 4: Simplify right side
    5,612.53x = 25,209,616.68
  5. Step 5: Solve for x
    x = 25,209,616.68/5,612.53
  6. Step 6: Final answer
    x = 4,491.67

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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.