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Finding the Fourth Proportional to 8,602.54, 11,872.29 and 5,245.54

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Solution

The fourth proportional to 8,602.54, 11,872.29 and 5,245.54 is: 7,239.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.54 : 11,872.29 = 5,245.54 : x
  2. Step 2: Convert to fraction form
    8,602.54/11,872.29 = 5,245.54/x
  3. Step 3: Cross multiply
    8,602.54x = 11,872.29 × 5,245.54
  4. Step 4: Simplify right side
    8,602.54x = 62,276,572.09
  5. Step 5: Solve for x
    x = 62,276,572.09/8,602.54
  6. Step 6: Final answer
    x = 7,239.32

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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.