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Finding the Fourth Proportional to 2,885.26, 4,328.16 and 936.94

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Solution

The fourth proportional to 2,885.26, 4,328.16 and 936.94 is: 1,405.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.26 : 4,328.16 = 936.94 : x
  2. Step 2: Convert to fraction form
    2,885.26/4,328.16 = 936.94/x
  3. Step 3: Cross multiply
    2,885.26x = 4,328.16 × 936.94
  4. Step 4: Simplify right side
    2,885.26x = 4,055,226.23
  5. Step 5: Solve for x
    x = 4,055,226.23/2,885.26
  6. Step 6: Final answer
    x = 1,405.50

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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.