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Finding the Fourth Proportional to 5,776.39, 7,972.73 and 4,830.54

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Solution

The fourth proportional to 5,776.39, 7,972.73 and 4,830.54 is: 6,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.39 : 7,972.73 = 4,830.54 : x
  2. Step 2: Convert to fraction form
    5,776.39/7,972.73 = 4,830.54/x
  3. Step 3: Cross multiply
    5,776.39x = 7,972.73 × 4,830.54
  4. Step 4: Simplify right side
    5,776.39x = 38,512,585.14
  5. Step 5: Solve for x
    x = 38,512,585.14/5,776.39
  6. Step 6: Final answer
    x = 6,667.24

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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.