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Finding the Fourth Proportional to 5,322.76, 7,345.42 and 2,964.84

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Solution

The fourth proportional to 5,322.76, 7,345.42 and 2,964.84 is: 4,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.76 : 7,345.42 = 2,964.84 : x
  2. Step 2: Convert to fraction form
    5,322.76/7,345.42 = 2,964.84/x
  3. Step 3: Cross multiply
    5,322.76x = 7,345.42 × 2,964.84
  4. Step 4: Simplify right side
    5,322.76x = 21,777,995.03
  5. Step 5: Solve for x
    x = 21,777,995.03/5,322.76
  6. Step 6: Final answer
    x = 4,091.49

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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.