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Finding the Fourth Proportional to 5,672.33, 7,804.05 and 4,997.09

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Solution

The fourth proportional to 5,672.33, 7,804.05 and 4,997.09 is: 6,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.33 : 7,804.05 = 4,997.09 : x
  2. Step 2: Convert to fraction form
    5,672.33/7,804.05 = 4,997.09/x
  3. Step 3: Cross multiply
    5,672.33x = 7,804.05 × 4,997.09
  4. Step 4: Simplify right side
    5,672.33x = 38,997,540.99
  5. Step 5: Solve for x
    x = 38,997,540.99/5,672.33
  6. Step 6: Final answer
    x = 6,875.05

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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.