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Finding the Fourth Proportional to 1,495.52, 2,064.02 and 905.96

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Solution

The fourth proportional to 1,495.52, 2,064.02 and 905.96 is: 1,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.52 : 2,064.02 = 905.96 : x
  2. Step 2: Convert to fraction form
    1,495.52/2,064.02 = 905.96/x
  3. Step 3: Cross multiply
    1,495.52x = 2,064.02 × 905.96
  4. Step 4: Simplify right side
    1,495.52x = 1,869,919.56
  5. Step 5: Solve for x
    x = 1,869,919.56/1,495.52
  6. Step 6: Final answer
    x = 1,250.35

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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.