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Finding the Fourth Proportional to 2,382.63, 3,573.54 and 1,065.84

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Solution

The fourth proportional to 2,382.63, 3,573.54 and 1,065.84 is: 1,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.63 : 3,573.54 = 1,065.84 : x
  2. Step 2: Convert to fraction form
    2,382.63/3,573.54 = 1,065.84/x
  3. Step 3: Cross multiply
    2,382.63x = 3,573.54 × 1,065.84
  4. Step 4: Simplify right side
    2,382.63x = 3,808,821.87
  5. Step 5: Solve for x
    x = 3,808,821.87/2,382.63
  6. Step 6: Final answer
    x = 1,598.58

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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.