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Finding the Fourth Proportional to 7,952.81, 10,974.37 and 4,968.50

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Solution

The fourth proportional to 7,952.81, 10,974.37 and 4,968.50 is: 6,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.81 : 10,974.37 = 4,968.50 : x
  2. Step 2: Convert to fraction form
    7,952.81/10,974.37 = 4,968.50/x
  3. Step 3: Cross multiply
    7,952.81x = 10,974.37 × 4,968.50
  4. Step 4: Simplify right side
    7,952.81x = 54,526,132.50
  5. Step 5: Solve for x
    x = 54,526,132.50/7,952.81
  6. Step 6: Final answer
    x = 6,856.21

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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.