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Finding the Fourth Proportional to 4,753.93, 7,125.95 and 1,790.34

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Solution

The fourth proportional to 4,753.93, 7,125.95 and 1,790.34 is: 2,683.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.93 : 7,125.95 = 1,790.34 : x
  2. Step 2: Convert to fraction form
    4,753.93/7,125.95 = 1,790.34/x
  3. Step 3: Cross multiply
    4,753.93x = 7,125.95 × 1,790.34
  4. Step 4: Simplify right side
    4,753.93x = 12,757,873.32
  5. Step 5: Solve for x
    x = 12,757,873.32/4,753.93
  6. Step 6: Final answer
    x = 2,683.65

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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.