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Finding the Fourth Proportional to 3,283.51, 4,925.22 and 943.57

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Solution

The fourth proportional to 3,283.51, 4,925.22 and 943.57 is: 1,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.51 : 4,925.22 = 943.57 : x
  2. Step 2: Convert to fraction form
    3,283.51/4,925.22 = 943.57/x
  3. Step 3: Cross multiply
    3,283.51x = 4,925.22 × 943.57
  4. Step 4: Simplify right side
    3,283.51x = 4,647,289.84
  5. Step 5: Solve for x
    x = 4,647,289.84/3,283.51
  6. Step 6: Final answer
    x = 1,415.34

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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.