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Finding the Fourth Proportional to 5,506.82, 8,216.63 and 4,981.94

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Solution

The fourth proportional to 5,506.82, 8,216.63 and 4,981.94 is: 7,433.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.82 : 8,216.63 = 4,981.94 : x
  2. Step 2: Convert to fraction form
    5,506.82/8,216.63 = 4,981.94/x
  3. Step 3: Cross multiply
    5,506.82x = 8,216.63 × 4,981.94
  4. Step 4: Simplify right side
    5,506.82x = 40,934,691.67
  5. Step 5: Solve for x
    x = 40,934,691.67/5,506.82
  6. Step 6: Final answer
    x = 7,433.46

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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.