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Finding the Fourth Proportional to 1,771.19, 2,443.00 and 1,534.72

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Solution

The fourth proportional to 1,771.19, 2,443.00 and 1,534.72 is: 2,116.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.19 : 2,443.00 = 1,534.72 : x
  2. Step 2: Convert to fraction form
    1,771.19/2,443.00 = 1,534.72/x
  3. Step 3: Cross multiply
    1,771.19x = 2,443.00 × 1,534.72
  4. Step 4: Simplify right side
    1,771.19x = 3,749,325.93
  5. Step 5: Solve for x
    x = 3,749,325.93/1,771.19
  6. Step 6: Final answer
    x = 2,116.84

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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.