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Finding the Fourth Proportional to 2,513.53, 3,769.84 and 953.67

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Solution

The fourth proportional to 2,513.53, 3,769.84 and 953.67 is: 1,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.53 : 3,769.84 = 953.67 : x
  2. Step 2: Convert to fraction form
    2,513.53/3,769.84 = 953.67/x
  3. Step 3: Cross multiply
    2,513.53x = 3,769.84 × 953.67
  4. Step 4: Simplify right side
    2,513.53x = 3,595,198.64
  5. Step 5: Solve for x
    x = 3,595,198.64/2,513.53
  6. Step 6: Final answer
    x = 1,430.34

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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.