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Finding the Fourth Proportional to 4,728.04, 7,091.93 and 1,441

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Solution

The fourth proportional to 4,728.04, 7,091.93 and 1,441 is: 2,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728.04 : 7,091.93 = 1,441 : x
  2. Step 2: Convert to fraction form
    4,728.04/7,091.93 = 1,441/x
  3. Step 3: Cross multiply
    4,728.04x = 7,091.93 × 1,441
  4. Step 4: Simplify right side
    4,728.04x = 10,219,471.13
  5. Step 5: Solve for x
    x = 10,219,471.13/4,728.04
  6. Step 6: Final answer
    x = 2,161.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.