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Finding the Fourth Proportional to 1,051, 1,450.43 and 585.25

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Solution

The fourth proportional to 1,051, 1,450.43 and 585.25 is: 807.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051 : 1,450.43 = 585.25 : x
  2. Step 2: Convert to fraction form
    1,051/1,450.43 = 585.25/x
  3. Step 3: Cross multiply
    1,051x = 1,450.43 × 585.25
  4. Step 4: Simplify right side
    1,051x = 848,864.16
  5. Step 5: Solve for x
    x = 848,864.16/1,051
  6. Step 6: Final answer
    x = 807.67

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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.