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Finding the Fourth Proportional to 5,903.76, 8,855.62 and 1,799.76

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Solution

The fourth proportional to 5,903.76, 8,855.62 and 1,799.76 is: 2,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.76 : 8,855.62 = 1,799.76 : x
  2. Step 2: Convert to fraction form
    5,903.76/8,855.62 = 1,799.76/x
  3. Step 3: Cross multiply
    5,903.76x = 8,855.62 × 1,799.76
  4. Step 4: Simplify right side
    5,903.76x = 15,937,990.65
  5. Step 5: Solve for x
    x = 15,937,990.65/5,903.76
  6. Step 6: Final answer
    x = 2,699.63

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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.