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Finding the Fourth Proportional to 5,868.26, 8,802.43 and 1,485.72

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Solution

The fourth proportional to 5,868.26, 8,802.43 and 1,485.72 is: 2,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.26 : 8,802.43 = 1,485.72 : x
  2. Step 2: Convert to fraction form
    5,868.26/8,802.43 = 1,485.72/x
  3. Step 3: Cross multiply
    5,868.26x = 8,802.43 × 1,485.72
  4. Step 4: Simplify right side
    5,868.26x = 13,077,946.30
  5. Step 5: Solve for x
    x = 13,077,946.30/5,868.26
  6. Step 6: Final answer
    x = 2,228.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.