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Finding the Fourth Proportional to 1,582.88, 2,368.38 and 1,096.88

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Solution

The fourth proportional to 1,582.88, 2,368.38 and 1,096.88 is: 1,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,582.88 : 2,368.38 = 1,096.88 : x
  2. Step 2: Convert to fraction form
    1,582.88/2,368.38 = 1,096.88/x
  3. Step 3: Cross multiply
    1,582.88x = 2,368.38 × 1,096.88
  4. Step 4: Simplify right side
    1,582.88x = 2,597,828.65
  5. Step 5: Solve for x
    x = 2,597,828.65/1,582.88
  6. Step 6: Final answer
    x = 1,641.20

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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.