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Finding the Fourth Proportional to 9,795.67, 13,517.64 and 5,319.32

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Solution

The fourth proportional to 9,795.67, 13,517.64 and 5,319.32 is: 7,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.67 : 13,517.64 = 5,319.32 : x
  2. Step 2: Convert to fraction form
    9,795.67/13,517.64 = 5,319.32/x
  3. Step 3: Cross multiply
    9,795.67x = 13,517.64 × 5,319.32
  4. Step 4: Simplify right side
    9,795.67x = 71,904,652.80
  5. Step 5: Solve for x
    x = 71,904,652.80/9,795.67
  6. Step 6: Final answer
    x = 7,340.45

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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.