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Finding the Fourth Proportional to 3,755.63, 5,612.83 and 3,460.12

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Solution

The fourth proportional to 3,755.63, 5,612.83 and 3,460.12 is: 5,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.63 : 5,612.83 = 3,460.12 : x
  2. Step 2: Convert to fraction form
    3,755.63/5,612.83 = 3,460.12/x
  3. Step 3: Cross multiply
    3,755.63x = 5,612.83 × 3,460.12
  4. Step 4: Simplify right side
    3,755.63x = 19,421,042.66
  5. Step 5: Solve for x
    x = 19,421,042.66/3,755.63
  6. Step 6: Final answer
    x = 5,171.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.