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Finding the Fourth Proportional to 1,496.12, 2,064.54 and 832.94

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Solution

The fourth proportional to 1,496.12, 2,064.54 and 832.94 is: 1,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496.12 : 2,064.54 = 832.94 : x
  2. Step 2: Convert to fraction form
    1,496.12/2,064.54 = 832.94/x
  3. Step 3: Cross multiply
    1,496.12x = 2,064.54 × 832.94
  4. Step 4: Simplify right side
    1,496.12x = 1,719,637.95
  5. Step 5: Solve for x
    x = 1,719,637.95/1,496.12
  6. Step 6: Final answer
    x = 1,149.40

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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.