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Finding the Fourth Proportional to 5,469.69, 7,543.06 and 4,354.32

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Solution

The fourth proportional to 5,469.69, 7,543.06 and 4,354.32 is: 6,004.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.69 : 7,543.06 = 4,354.32 : x
  2. Step 2: Convert to fraction form
    5,469.69/7,543.06 = 4,354.32/x
  3. Step 3: Cross multiply
    5,469.69x = 7,543.06 × 4,354.32
  4. Step 4: Simplify right side
    5,469.69x = 32,844,914.42
  5. Step 5: Solve for x
    x = 32,844,914.42/5,469.69
  6. Step 6: Final answer
    x = 6,004.89

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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.