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Finding the Fourth Proportional to 5,581.95, 8,366.42 and 4,107.45

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Solution

The fourth proportional to 5,581.95, 8,366.42 and 4,107.45 is: 6,156.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.95 : 8,366.42 = 4,107.45 : x
  2. Step 2: Convert to fraction form
    5,581.95/8,366.42 = 4,107.45/x
  3. Step 3: Cross multiply
    5,581.95x = 8,366.42 × 4,107.45
  4. Step 4: Simplify right side
    5,581.95x = 34,364,631.29
  5. Step 5: Solve for x
    x = 34,364,631.29/5,581.95
  6. Step 6: Final answer
    x = 6,156.38

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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.