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Finding the Fourth Proportional to 7,289.01, 10,933.08 and 4,288.73

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Solution

The fourth proportional to 7,289.01, 10,933.08 and 4,288.73 is: 6,432.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.01 : 10,933.08 = 4,288.73 : x
  2. Step 2: Convert to fraction form
    7,289.01/10,933.08 = 4,288.73/x
  3. Step 3: Cross multiply
    7,289.01x = 10,933.08 × 4,288.73
  4. Step 4: Simplify right side
    7,289.01x = 46,889,055.52
  5. Step 5: Solve for x
    x = 46,889,055.52/7,289.01
  6. Step 6: Final answer
    x = 6,432.84

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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.