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Finding the Fourth Proportional to 2,892.59, 4,338.89 and 701.32

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Solution

The fourth proportional to 2,892.59, 4,338.89 and 701.32 is: 1,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.59 : 4,338.89 = 701.32 : x
  2. Step 2: Convert to fraction form
    2,892.59/4,338.89 = 701.32/x
  3. Step 3: Cross multiply
    2,892.59x = 4,338.89 × 701.32
  4. Step 4: Simplify right side
    2,892.59x = 3,042,964.77
  5. Step 5: Solve for x
    x = 3,042,964.77/2,892.59
  6. Step 6: Final answer
    x = 1,051.98

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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.