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Finding the Fourth Proportional to 2,995.96, 4,487.01 and 2,892.16

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Solution

The fourth proportional to 2,995.96, 4,487.01 and 2,892.16 is: 4,331.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.96 : 4,487.01 = 2,892.16 : x
  2. Step 2: Convert to fraction form
    2,995.96/4,487.01 = 2,892.16/x
  3. Step 3: Cross multiply
    2,995.96x = 4,487.01 × 2,892.16
  4. Step 4: Simplify right side
    2,995.96x = 12,977,150.84
  5. Step 5: Solve for x
    x = 12,977,150.84/2,995.96
  6. Step 6: Final answer
    x = 4,331.55

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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.