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Finding the Fourth Proportional to 1,051.16, 1,450.64 and 585.44

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Solution

The fourth proportional to 1,051.16, 1,450.64 and 585.44 is: 807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051.16 : 1,450.64 = 585.44 : x
  2. Step 2: Convert to fraction form
    1,051.16/1,450.64 = 585.44/x
  3. Step 3: Cross multiply
    1,051.16x = 1,450.64 × 585.44
  4. Step 4: Simplify right side
    1,051.16x = 849,262.68
  5. Step 5: Solve for x
    x = 849,262.68/1,051.16
  6. Step 6: Final answer
    x = 807.93

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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.