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Finding the Fourth Proportional to 2,755.99, 3,802.98 and 1,693.81

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Solution

The fourth proportional to 2,755.99, 3,802.98 and 1,693.81 is: 2,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.99 : 3,802.98 = 1,693.81 : x
  2. Step 2: Convert to fraction form
    2,755.99/3,802.98 = 1,693.81/x
  3. Step 3: Cross multiply
    2,755.99x = 3,802.98 × 1,693.81
  4. Step 4: Simplify right side
    2,755.99x = 6,441,525.55
  5. Step 5: Solve for x
    x = 6,441,525.55/2,755.99
  6. Step 6: Final answer
    x = 2,337.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.