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Finding the Fourth Proportional to 7,368.77, 11,053.67 and 5,616.54

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Solution

The fourth proportional to 7,368.77, 11,053.67 and 5,616.54 is: 8,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.77 : 11,053.67 = 5,616.54 : x
  2. Step 2: Convert to fraction form
    7,368.77/11,053.67 = 5,616.54/x
  3. Step 3: Cross multiply
    7,368.77x = 11,053.67 × 5,616.54
  4. Step 4: Simplify right side
    7,368.77x = 62,083,351.62
  5. Step 5: Solve for x
    x = 62,083,351.62/7,368.77
  6. Step 6: Final answer
    x = 8,425.20

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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.