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Finding the Fourth Proportional to 8,003.16, 11,048.94 and 5,359.32

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Solution

The fourth proportional to 8,003.16, 11,048.94 and 5,359.32 is: 7,398.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.16 : 11,048.94 = 5,359.32 : x
  2. Step 2: Convert to fraction form
    8,003.16/11,048.94 = 5,359.32/x
  3. Step 3: Cross multiply
    8,003.16x = 11,048.94 × 5,359.32
  4. Step 4: Simplify right side
    8,003.16x = 59,214,805.12
  5. Step 5: Solve for x
    x = 59,214,805.12/8,003.16
  6. Step 6: Final answer
    x = 7,398.93

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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.