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Finding the Fourth Proportional to 1,499.37, 2,069.10 and 836.25

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Solution

The fourth proportional to 1,499.37, 2,069.10 and 836.25 is: 1,154.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.37 : 2,069.10 = 836.25 : x
  2. Step 2: Convert to fraction form
    1,499.37/2,069.10 = 836.25/x
  3. Step 3: Cross multiply
    1,499.37x = 2,069.10 × 836.25
  4. Step 4: Simplify right side
    1,499.37x = 1,730,272.44
  5. Step 5: Solve for x
    x = 1,730,272.44/1,499.37
  6. Step 6: Final answer
    x = 1,154.00

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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.