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Finding the Fourth Proportional to 5,339.28, 7,968.12 and 4,756.08

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Solution

The fourth proportional to 5,339.28, 7,968.12 and 4,756.08 is: 7,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.28 : 7,968.12 = 4,756.08 : x
  2. Step 2: Convert to fraction form
    5,339.28/7,968.12 = 4,756.08/x
  3. Step 3: Cross multiply
    5,339.28x = 7,968.12 × 4,756.08
  4. Step 4: Simplify right side
    5,339.28x = 37,897,016.17
  5. Step 5: Solve for x
    x = 37,897,016.17/5,339.28
  6. Step 6: Final answer
    x = 7,097.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.