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Finding the Fourth Proportional to 1,359.37, 1,875.81 and 792.11

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Solution

The fourth proportional to 1,359.37, 1,875.81 and 792.11 is: 1,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359.37 : 1,875.81 = 792.11 : x
  2. Step 2: Convert to fraction form
    1,359.37/1,875.81 = 792.11/x
  3. Step 3: Cross multiply
    1,359.37x = 1,875.81 × 792.11
  4. Step 4: Simplify right side
    1,359.37x = 1,485,851.06
  5. Step 5: Solve for x
    x = 1,485,851.06/1,359.37
  6. Step 6: Final answer
    x = 1,093.05

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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.