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Finding the Fourth Proportional to 1,808.64, 2,496.78 and 1,480.59

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Solution

The fourth proportional to 1,808.64, 2,496.78 and 1,480.59 is: 2,043.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808.64 : 2,496.78 = 1,480.59 : x
  2. Step 2: Convert to fraction form
    1,808.64/2,496.78 = 1,480.59/x
  3. Step 3: Cross multiply
    1,808.64x = 2,496.78 × 1,480.59
  4. Step 4: Simplify right side
    1,808.64x = 3,696,707.50
  5. Step 5: Solve for x
    x = 3,696,707.50/1,808.64
  6. Step 6: Final answer
    x = 2,043.92

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