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Finding the Fourth Proportional to 1,423.01, 1,963.56 and 793.50

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Solution

The fourth proportional to 1,423.01, 1,963.56 and 793.50 is: 1,094.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.01 : 1,963.56 = 793.50 : x
  2. Step 2: Convert to fraction form
    1,423.01/1,963.56 = 793.50/x
  3. Step 3: Cross multiply
    1,423.01x = 1,963.56 × 793.50
  4. Step 4: Simplify right side
    1,423.01x = 1,558,091.52
  5. Step 5: Solve for x
    x = 1,558,091.52/1,423.01
  6. Step 6: Final answer
    x = 1,094.93

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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.