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Finding the Fourth Proportional to 5,091.92, 7,635.48 and 1,803.92

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Solution

The fourth proportional to 5,091.92, 7,635.48 and 1,803.92 is: 2,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.92 : 7,635.48 = 1,803.92 : x
  2. Step 2: Convert to fraction form
    5,091.92/7,635.48 = 1,803.92/x
  3. Step 3: Cross multiply
    5,091.92x = 7,635.48 × 1,803.92
  4. Step 4: Simplify right side
    5,091.92x = 13,773,795.08
  5. Step 5: Solve for x
    x = 13,773,795.08/5,091.92
  6. Step 6: Final answer
    x = 2,705.03

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1.5x scale

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.