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Finding the Fourth Proportional to 3,653.88, 5,483.13 and 2,011.53

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Solution

The fourth proportional to 3,653.88, 5,483.13 and 2,011.53 is: 3,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.88 : 5,483.13 = 2,011.53 : x
  2. Step 2: Convert to fraction form
    3,653.88/5,483.13 = 2,011.53/x
  3. Step 3: Cross multiply
    3,653.88x = 5,483.13 × 2,011.53
  4. Step 4: Simplify right side
    3,653.88x = 11,029,480.49
  5. Step 5: Solve for x
    x = 11,029,480.49/3,653.88
  6. Step 6: Final answer
    x = 3,018.57

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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.