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Finding the Fourth Proportional to 1,895.63, 2,844.01 and 971.84

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Solution

The fourth proportional to 1,895.63, 2,844.01 and 971.84 is: 1,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895.63 : 2,844.01 = 971.84 : x
  2. Step 2: Convert to fraction form
    1,895.63/2,844.01 = 971.84/x
  3. Step 3: Cross multiply
    1,895.63x = 2,844.01 × 971.84
  4. Step 4: Simplify right side
    1,895.63x = 2,763,903.60
  5. Step 5: Solve for x
    x = 2,763,903.60/1,895.63
  6. Step 6: Final answer
    x = 1,458.04

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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.