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Finding the Fourth Proportional to 5,824.80, 8,734.52 and 1,875.32

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Solution

The fourth proportional to 5,824.80, 8,734.52 and 1,875.32 is: 2,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,824.80 : 8,734.52 = 1,875.32 : x
  2. Step 2: Convert to fraction form
    5,824.80/8,734.52 = 1,875.32/x
  3. Step 3: Cross multiply
    5,824.80x = 8,734.52 × 1,875.32
  4. Step 4: Simplify right side
    5,824.80x = 16,380,020.05
  5. Step 5: Solve for x
    x = 16,380,020.05/5,824.80
  6. Step 6: Final answer
    x = 2,812.12

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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.