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Finding the Fourth Proportional to 5,718.72, 8,577.60 and 1,823.04

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Solution

The fourth proportional to 5,718.72, 8,577.60 and 1,823.04 is: 2,734.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.72 : 8,577.60 = 1,823.04 : x
  2. Step 2: Convert to fraction form
    5,718.72/8,577.60 = 1,823.04/x
  3. Step 3: Cross multiply
    5,718.72x = 8,577.60 × 1,823.04
  4. Step 4: Simplify right side
    5,718.72x = 15,637,307.90
  5. Step 5: Solve for x
    x = 15,637,307.90/5,718.72
  6. Step 6: Final answer
    x = 2,734.41

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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.