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Finding the Fourth Proportional to 5,544.45, 7,656.80 and 4,743.23

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Solution

The fourth proportional to 5,544.45, 7,656.80 and 4,743.23 is: 6,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,544.45 : 7,656.80 = 4,743.23 : x
  2. Step 2: Convert to fraction form
    5,544.45/7,656.80 = 4,743.23/x
  3. Step 3: Cross multiply
    5,544.45x = 7,656.80 × 4,743.23
  4. Step 4: Simplify right side
    5,544.45x = 36,317,901.46
  5. Step 5: Solve for x
    x = 36,317,901.46/5,544.45
  6. Step 6: Final answer
    x = 6,550.32

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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.