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Finding the Fourth Proportional to 2,937.56, 4,053.62 and 1,611.05

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Solution

The fourth proportional to 2,937.56, 4,053.62 and 1,611.05 is: 2,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,937.56 : 4,053.62 = 1,611.05 : x
  2. Step 2: Convert to fraction form
    2,937.56/4,053.62 = 1,611.05/x
  3. Step 3: Cross multiply
    2,937.56x = 4,053.62 × 1,611.05
  4. Step 4: Simplify right side
    2,937.56x = 6,530,570.34
  5. Step 5: Solve for x
    x = 6,530,570.34/2,937.56
  6. Step 6: Final answer
    x = 2,223.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.