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Finding the Fourth Proportional to 2,995.94, 4,492.10 and 1,147.19

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Solution

The fourth proportional to 2,995.94, 4,492.10 and 1,147.19 is: 1,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.94 : 4,492.10 = 1,147.19 : x
  2. Step 2: Convert to fraction form
    2,995.94/4,492.10 = 1,147.19/x
  3. Step 3: Cross multiply
    2,995.94x = 4,492.10 × 1,147.19
  4. Step 4: Simplify right side
    2,995.94x = 5,153,292.20
  5. Step 5: Solve for x
    x = 5,153,292.20/2,995.94
  6. Step 6: Final answer
    x = 1,720.09

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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.