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Finding the Fourth Proportional to 5,326.68, 7,350.72 and 2,968.68

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Solution

The fourth proportional to 5,326.68, 7,350.72 and 2,968.68 is: 4,096.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.68 : 7,350.72 = 2,968.68 : x
  2. Step 2: Convert to fraction form
    5,326.68/7,350.72 = 2,968.68/x
  3. Step 3: Cross multiply
    5,326.68x = 7,350.72 × 2,968.68
  4. Step 4: Simplify right side
    5,326.68x = 21,821,935.45
  5. Step 5: Solve for x
    x = 21,821,935.45/5,326.68
  6. Step 6: Final answer
    x = 4,096.72

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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.