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Finding the Fourth Proportional to 6,402.74, 8,837.25 and 5,352.98

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Solution

The fourth proportional to 6,402.74, 8,837.25 and 5,352.98 is: 7,388.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.74 : 8,837.25 = 5,352.98 : x
  2. Step 2: Convert to fraction form
    6,402.74/8,837.25 = 5,352.98/x
  3. Step 3: Cross multiply
    6,402.74x = 8,837.25 × 5,352.98
  4. Step 4: Simplify right side
    6,402.74x = 47,305,622.51
  5. Step 5: Solve for x
    x = 47,305,622.51/6,402.74
  6. Step 6: Final answer
    x = 7,388.34

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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.