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Finding the Fourth Proportional to 5,918.95, 8,166.13 and 3,366.46

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Solution

The fourth proportional to 5,918.95, 8,166.13 and 3,366.46 is: 4,644.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.95 : 8,166.13 = 3,366.46 : x
  2. Step 2: Convert to fraction form
    5,918.95/8,166.13 = 3,366.46/x
  3. Step 3: Cross multiply
    5,918.95x = 8,166.13 × 3,366.46
  4. Step 4: Simplify right side
    5,918.95x = 27,490,950.00
  5. Step 5: Solve for x
    x = 27,490,950.00/5,918.95
  6. Step 6: Final answer
    x = 4,644.57

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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.