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Finding the Fourth Proportional to 1,458.72, 2,014.05 and 1,126.62

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Solution

The fourth proportional to 1,458.72, 2,014.05 and 1,126.62 is: 1,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.72 : 2,014.05 = 1,126.62 : x
  2. Step 2: Convert to fraction form
    1,458.72/2,014.05 = 1,126.62/x
  3. Step 3: Cross multiply
    1,458.72x = 2,014.05 × 1,126.62
  4. Step 4: Simplify right side
    1,458.72x = 2,269,069.01
  5. Step 5: Solve for x
    x = 2,269,069.01/1,458.72
  6. Step 6: Final answer
    x = 1,555.52

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