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Finding the Fourth Proportional to 4,783.54, 7,178.15 and 2,592.22

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Solution

The fourth proportional to 4,783.54, 7,178.15 and 2,592.22 is: 3,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.54 : 7,178.15 = 2,592.22 : x
  2. Step 2: Convert to fraction form
    4,783.54/7,178.15 = 2,592.22/x
  3. Step 3: Cross multiply
    4,783.54x = 7,178.15 × 2,592.22
  4. Step 4: Simplify right side
    4,783.54x = 18,607,343.99
  5. Step 5: Solve for x
    x = 18,607,343.99/4,783.54
  6. Step 6: Final answer
    x = 3,889.87

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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.