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Finding the Fourth Proportional to 1,881.63, 2,819.88 and 1,060.29

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Solution

The fourth proportional to 1,881.63, 2,819.88 and 1,060.29 is: 1,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.63 : 2,819.88 = 1,060.29 : x
  2. Step 2: Convert to fraction form
    1,881.63/2,819.88 = 1,060.29/x
  3. Step 3: Cross multiply
    1,881.63x = 2,819.88 × 1,060.29
  4. Step 4: Simplify right side
    1,881.63x = 2,989,890.57
  5. Step 5: Solve for x
    x = 2,989,890.57/1,881.63
  6. Step 6: Final answer
    x = 1,588.99

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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.