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Finding the Fourth Proportional to 1,840.73, 2,529.63 and 1,755.07

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Solution

The fourth proportional to 1,840.73, 2,529.63 and 1,755.07 is: 2,411.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.73 : 2,529.63 = 1,755.07 : x
  2. Step 2: Convert to fraction form
    1,840.73/2,529.63 = 1,755.07/x
  3. Step 3: Cross multiply
    1,840.73x = 2,529.63 × 1,755.07
  4. Step 4: Simplify right side
    1,840.73x = 4,439,671.40
  5. Step 5: Solve for x
    x = 4,439,671.40/1,840.73
  6. Step 6: Final answer
    x = 2,411.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.