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Finding the Fourth Proportional to 3,674.85, 5,510.53 and 1,334.55

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Solution

The fourth proportional to 3,674.85, 5,510.53 and 1,334.55 is: 2,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.85 : 5,510.53 = 1,334.55 : x
  2. Step 2: Convert to fraction form
    3,674.85/5,510.53 = 1,334.55/x
  3. Step 3: Cross multiply
    3,674.85x = 5,510.53 × 1,334.55
  4. Step 4: Simplify right side
    3,674.85x = 7,354,077.81
  5. Step 5: Solve for x
    x = 7,354,077.81/3,674.85
  6. Step 6: Final answer
    x = 2,001.19

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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.