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Finding the Fourth Proportional to 7,363.85, 11,048.81 and 2,980.17

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Solution

The fourth proportional to 7,363.85, 11,048.81 and 2,980.17 is: 4,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363.85 : 11,048.81 = 2,980.17 : x
  2. Step 2: Convert to fraction form
    7,363.85/11,048.81 = 2,980.17/x
  3. Step 3: Cross multiply
    7,363.85x = 11,048.81 × 2,980.17
  4. Step 4: Simplify right side
    7,363.85x = 32,927,317.20
  5. Step 5: Solve for x
    x = 32,927,317.20/7,363.85
  6. Step 6: Final answer
    x = 4,471.48

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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.