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Finding the Fourth Proportional to 5,579.95, 8,369.14 and 3,085.74

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Solution

The fourth proportional to 5,579.95, 8,369.14 and 3,085.74 is: 4,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.95 : 8,369.14 = 3,085.74 : x
  2. Step 2: Convert to fraction form
    5,579.95/8,369.14 = 3,085.74/x
  3. Step 3: Cross multiply
    5,579.95x = 8,369.14 × 3,085.74
  4. Step 4: Simplify right side
    5,579.95x = 25,824,990.06
  5. Step 5: Solve for x
    x = 25,824,990.06/5,579.95
  6. Step 6: Final answer
    x = 4,628.18

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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.