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Finding the Fourth Proportional to 1,335.89, 1,844.17 and 1,036.46

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Solution

The fourth proportional to 1,335.89, 1,844.17 and 1,036.46 is: 1,430.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.89 : 1,844.17 = 1,036.46 : x
  2. Step 2: Convert to fraction form
    1,335.89/1,844.17 = 1,036.46/x
  3. Step 3: Cross multiply
    1,335.89x = 1,844.17 × 1,036.46
  4. Step 4: Simplify right side
    1,335.89x = 1,911,410.46
  5. Step 5: Solve for x
    x = 1,911,410.46/1,335.89
  6. Step 6: Final answer
    x = 1,430.81

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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.