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Finding the Fourth Proportional to 1,051.26, 1,451.27 and 737.19

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Solution

The fourth proportional to 1,051.26, 1,451.27 and 737.19 is: 1,017.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.26 : 1,451.27 = 737.19 : x
  2. Step 2: Convert to fraction form
    1,051.26/1,451.27 = 737.19/x
  3. Step 3: Cross multiply
    1,051.26x = 1,451.27 × 737.19
  4. Step 4: Simplify right side
    1,051.26x = 1,069,858.05
  5. Step 5: Solve for x
    x = 1,069,858.05/1,051.26
  6. Step 6: Final answer
    x = 1,017.69

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Double scale
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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.