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Finding the Fourth Proportional to 1,870.96, 2,582.04 and 1,042.96

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Solution

The fourth proportional to 1,870.96, 2,582.04 and 1,042.96 is: 1,439.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.96 : 2,582.04 = 1,042.96 : x
  2. Step 2: Convert to fraction form
    1,870.96/2,582.04 = 1,042.96/x
  3. Step 3: Cross multiply
    1,870.96x = 2,582.04 × 1,042.96
  4. Step 4: Simplify right side
    1,870.96x = 2,692,964.44
  5. Step 5: Solve for x
    x = 2,692,964.44/1,870.96
  6. Step 6: Final answer
    x = 1,439.35

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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.