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Finding the Fourth Proportional to 2,995.88, 4,486.98 and 2,645.50

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Solution

The fourth proportional to 2,995.88, 4,486.98 and 2,645.50 is: 3,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.88 : 4,486.98 = 2,645.50 : x
  2. Step 2: Convert to fraction form
    2,995.88/4,486.98 = 2,645.50/x
  3. Step 3: Cross multiply
    2,995.88x = 4,486.98 × 2,645.50
  4. Step 4: Simplify right side
    2,995.88x = 11,870,292.36
  5. Step 5: Solve for x
    x = 11,870,292.36/2,995.88
  6. Step 6: Final answer
    x = 3,962.21

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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.