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Finding the Fourth Proportional to 1,870.66, 2,803.56 and 1,841.50

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Solution

The fourth proportional to 1,870.66, 2,803.56 and 1,841.50 is: 2,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.66 : 2,803.56 = 1,841.50 : x
  2. Step 2: Convert to fraction form
    1,870.66/2,803.56 = 1,841.50/x
  3. Step 3: Cross multiply
    1,870.66x = 2,803.56 × 1,841.50
  4. Step 4: Simplify right side
    1,870.66x = 5,162,755.74
  5. Step 5: Solve for x
    x = 5,162,755.74/1,870.66
  6. Step 6: Final answer
    x = 2,759.86

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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.