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Finding the Fourth Proportional to 5,477.84, 7,559.64 and 2,993.84

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Solution

The fourth proportional to 5,477.84, 7,559.64 and 2,993.84 is: 4,131.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.84 : 7,559.64 = 2,993.84 : x
  2. Step 2: Convert to fraction form
    5,477.84/7,559.64 = 2,993.84/x
  3. Step 3: Cross multiply
    5,477.84x = 7,559.64 × 2,993.84
  4. Step 4: Simplify right side
    5,477.84x = 22,632,352.62
  5. Step 5: Solve for x
    x = 22,632,352.62/5,477.84
  6. Step 6: Final answer
    x = 4,131.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.