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Finding the Fourth Proportional to 7,328.78, 10,952.93 and 5,358.56

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Solution

The fourth proportional to 7,328.78, 10,952.93 and 5,358.56 is: 8,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.78 : 10,952.93 = 5,358.56 : x
  2. Step 2: Convert to fraction form
    7,328.78/10,952.93 = 5,358.56/x
  3. Step 3: Cross multiply
    7,328.78x = 10,952.93 × 5,358.56
  4. Step 4: Simplify right side
    7,328.78x = 58,691,861.07
  5. Step 5: Solve for x
    x = 58,691,861.07/7,328.78
  6. Step 6: Final answer
    x = 8,008.41

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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.