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Finding the Fourth Proportional to 1,937.01, 2,905.53 and 704.43

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Solution

The fourth proportional to 1,937.01, 2,905.53 and 704.43 is: 1,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.01 : 2,905.53 = 704.43 : x
  2. Step 2: Convert to fraction form
    1,937.01/2,905.53 = 704.43/x
  3. Step 3: Cross multiply
    1,937.01x = 2,905.53 × 704.43
  4. Step 4: Simplify right side
    1,937.01x = 2,046,742.50
  5. Step 5: Solve for x
    x = 2,046,742.50/1,937.01
  6. Step 6: Final answer
    x = 1,056.65

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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.