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Finding the Fourth Proportional to 1,894.63, 2,614.59 and 1,066.63

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Solution

The fourth proportional to 1,894.63, 2,614.59 and 1,066.63 is: 1,471.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,894.63 : 2,614.59 = 1,066.63 : x
  2. Step 2: Convert to fraction form
    1,894.63/2,614.59 = 1,066.63/x
  3. Step 3: Cross multiply
    1,894.63x = 2,614.59 × 1,066.63
  4. Step 4: Simplify right side
    1,894.63x = 2,788,800.13
  5. Step 5: Solve for x
    x = 2,788,800.13/1,894.63
  6. Step 6: Final answer
    x = 1,471.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.