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Finding the Fourth Proportional to 5,486.94, 7,571.68 and 3,249.01

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Solution

The fourth proportional to 5,486.94, 7,571.68 and 3,249.01 is: 4,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.94 : 7,571.68 = 3,249.01 : x
  2. Step 2: Convert to fraction form
    5,486.94/7,571.68 = 3,249.01/x
  3. Step 3: Cross multiply
    5,486.94x = 7,571.68 × 3,249.01
  4. Step 4: Simplify right side
    5,486.94x = 24,600,465.38
  5. Step 5: Solve for x
    x = 24,600,465.38/5,486.94
  6. Step 6: Final answer
    x = 4,483.46

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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.