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Finding the Fourth Proportional to 2,373.84, 3,561.23 and 730.32

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Solution

The fourth proportional to 2,373.84, 3,561.23 and 730.32 is: 1,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.84 : 3,561.23 = 730.32 : x
  2. Step 2: Convert to fraction form
    2,373.84/3,561.23 = 730.32/x
  3. Step 3: Cross multiply
    2,373.84x = 3,561.23 × 730.32
  4. Step 4: Simplify right side
    2,373.84x = 2,600,852.67
  5. Step 5: Solve for x
    x = 2,600,852.67/2,373.84
  6. Step 6: Final answer
    x = 1,095.63

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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.