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Finding the Fourth Proportional to 1,692.66, 2,536.83 and 999.06

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Solution

The fourth proportional to 1,692.66, 2,536.83 and 999.06 is: 1,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.66 : 2,536.83 = 999.06 : x
  2. Step 2: Convert to fraction form
    1,692.66/2,536.83 = 999.06/x
  3. Step 3: Cross multiply
    1,692.66x = 2,536.83 × 999.06
  4. Step 4: Simplify right side
    1,692.66x = 2,534,445.38
  5. Step 5: Solve for x
    x = 2,534,445.38/1,692.66
  6. Step 6: Final answer
    x = 1,497.32

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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.