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Finding the Fourth Proportional to 4,369.60, 6,543.60 and 3,505.60

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Solution

The fourth proportional to 4,369.60, 6,543.60 and 3,505.60 is: 5,249.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,369.60 : 6,543.60 = 3,505.60 : x
  2. Step 2: Convert to fraction form
    4,369.60/6,543.60 = 3,505.60/x
  3. Step 3: Cross multiply
    4,369.60x = 6,543.60 × 3,505.60
  4. Step 4: Simplify right side
    4,369.60x = 22,939,244.16
  5. Step 5: Solve for x
    x = 22,939,244.16/4,369.60
  6. Step 6: Final answer
    x = 5,249.74

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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.