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Finding the Fourth Proportional to 7,328.48, 10,996.70 and 4,864.48

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Solution

The fourth proportional to 7,328.48, 10,996.70 and 4,864.48 is: 7,299.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.48 : 10,996.70 = 4,864.48 : x
  2. Step 2: Convert to fraction form
    7,328.48/10,996.70 = 4,864.48/x
  3. Step 3: Cross multiply
    7,328.48x = 10,996.70 × 4,864.48
  4. Step 4: Simplify right side
    7,328.48x = 53,493,227.22
  5. Step 5: Solve for x
    x = 53,493,227.22/7,328.48
  6. Step 6: Final answer
    x = 7,299.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.