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Finding the Fourth Proportional to 1,051.02, 1,450.39 and 585.26

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Solution

The fourth proportional to 1,051.02, 1,450.39 and 585.26 is: 807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.02 : 1,450.39 = 585.26 : x
  2. Step 2: Convert to fraction form
    1,051.02/1,450.39 = 585.26/x
  3. Step 3: Cross multiply
    1,051.02x = 1,450.39 × 585.26
  4. Step 4: Simplify right side
    1,051.02x = 848,855.25
  5. Step 5: Solve for x
    x = 848,855.25/1,051.02
  6. Step 6: Final answer
    x = 807.65

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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.