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Finding the Fourth Proportional to 6,907.39, 10,365.52 and 6,881.88

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Solution

The fourth proportional to 6,907.39, 10,365.52 and 6,881.88 is: 10,327.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.39 : 10,365.52 = 6,881.88 : x
  2. Step 2: Convert to fraction form
    6,907.39/10,365.52 = 6,881.88/x
  3. Step 3: Cross multiply
    6,907.39x = 10,365.52 × 6,881.88
  4. Step 4: Simplify right side
    6,907.39x = 71,334,178.54
  5. Step 5: Solve for x
    x = 71,334,178.54/6,907.39
  6. Step 6: Final answer
    x = 10,327.23

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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.