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Finding the Fourth Proportional to 1,455.94, 2,009.23 and 792.83

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Solution

The fourth proportional to 1,455.94, 2,009.23 and 792.83 is: 1,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.94 : 2,009.23 = 792.83 : x
  2. Step 2: Convert to fraction form
    1,455.94/2,009.23 = 792.83/x
  3. Step 3: Cross multiply
    1,455.94x = 2,009.23 × 792.83
  4. Step 4: Simplify right side
    1,455.94x = 1,592,970.78
  5. Step 5: Solve for x
    x = 1,592,970.78/1,455.94
  6. Step 6: Final answer
    x = 1,094.12

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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.