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Finding the Fourth Proportional to 1,876.69, 2,810.65 and 1,484.05

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Solution

The fourth proportional to 1,876.69, 2,810.65 and 1,484.05 is: 2,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.69 : 2,810.65 = 1,484.05 : x
  2. Step 2: Convert to fraction form
    1,876.69/2,810.65 = 1,484.05/x
  3. Step 3: Cross multiply
    1,876.69x = 2,810.65 × 1,484.05
  4. Step 4: Simplify right side
    1,876.69x = 4,171,145.13
  5. Step 5: Solve for x
    x = 4,171,145.13/1,876.69
  6. Step 6: Final answer
    x = 2,222.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.