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Finding the Fourth Proportional to 4,769.63, 7,152.01 and 1,995.55

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Solution

The fourth proportional to 4,769.63, 7,152.01 and 1,995.55 is: 2,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.63 : 7,152.01 = 1,995.55 : x
  2. Step 2: Convert to fraction form
    4,769.63/7,152.01 = 1,995.55/x
  3. Step 3: Cross multiply
    4,769.63x = 7,152.01 × 1,995.55
  4. Step 4: Simplify right side
    4,769.63x = 14,272,147.82
  5. Step 5: Solve for x
    x = 14,272,147.82/4,769.63
  6. Step 6: Final answer
    x = 2,992.30

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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.