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Finding the Fourth Proportional to 3,253.85, 4,880.34 and 914.03

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Solution

The fourth proportional to 3,253.85, 4,880.34 and 914.03 is: 1,370.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.85 : 4,880.34 = 914.03 : x
  2. Step 2: Convert to fraction form
    3,253.85/4,880.34 = 914.03/x
  3. Step 3: Cross multiply
    3,253.85x = 4,880.34 × 914.03
  4. Step 4: Simplify right side
    3,253.85x = 4,460,752.77
  5. Step 5: Solve for x
    x = 4,460,752.77/3,253.85
  6. Step 6: Final answer
    x = 1,370.92

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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.