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Finding the Fourth Proportional to 3,599.80, 4,955.25 and 3,104.08

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Solution

The fourth proportional to 3,599.80, 4,955.25 and 3,104.08 is: 4,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.80 : 4,955.25 = 3,104.08 : x
  2. Step 2: Convert to fraction form
    3,599.80/4,955.25 = 3,104.08/x
  3. Step 3: Cross multiply
    3,599.80x = 4,955.25 × 3,104.08
  4. Step 4: Simplify right side
    3,599.80x = 15,381,492.42
  5. Step 5: Solve for x
    x = 15,381,492.42/3,599.80
  6. Step 6: Final answer
    x = 4,272.87

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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.