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Finding the Fourth Proportional to 5,799.78, 8,688.74 and 4,494.87

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Solution

The fourth proportional to 5,799.78, 8,688.74 and 4,494.87 is: 6,733.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.78 : 8,688.74 = 4,494.87 : x
  2. Step 2: Convert to fraction form
    5,799.78/8,688.74 = 4,494.87/x
  3. Step 3: Cross multiply
    5,799.78x = 8,688.74 × 4,494.87
  4. Step 4: Simplify right side
    5,799.78x = 39,054,734.29
  5. Step 5: Solve for x
    x = 39,054,734.29/5,799.78
  6. Step 6: Final answer
    x = 6,733.83

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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.