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Finding the Fourth Proportional to 9,571.80, 13,208.84 and 5,322.63

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Solution

The fourth proportional to 9,571.80, 13,208.84 and 5,322.63 is: 7,345.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.80 : 13,208.84 = 5,322.63 : x
  2. Step 2: Convert to fraction form
    9,571.80/13,208.84 = 5,322.63/x
  3. Step 3: Cross multiply
    9,571.80x = 13,208.84 × 5,322.63
  4. Step 4: Simplify right side
    9,571.80x = 70,305,741.44
  5. Step 5: Solve for x
    x = 70,305,741.44/9,571.80
  6. Step 6: Final answer
    x = 7,345.09

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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.