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Finding the Fourth Proportional to 1,426.00, 1,967.35 and 836.32

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Solution

The fourth proportional to 1,426.00, 1,967.35 and 836.32 is: 1,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426.00 : 1,967.35 = 836.32 : x
  2. Step 2: Convert to fraction form
    1,426.00/1,967.35 = 836.32/x
  3. Step 3: Cross multiply
    1,426.00x = 1,967.35 × 836.32
  4. Step 4: Simplify right side
    1,426.00x = 1,645,320.13
  5. Step 5: Solve for x
    x = 1,645,320.13/1,426.00
  6. Step 6: Final answer
    x = 1,153.80

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