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Finding the Fourth Proportional to 1,805, 2,707.64 and 1,024.70

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Solution

The fourth proportional to 1,805, 2,707.64 and 1,024.70 is: 1,537.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805 : 2,707.64 = 1,024.70 : x
  2. Step 2: Convert to fraction form
    1,805/2,707.64 = 1,024.70/x
  3. Step 3: Cross multiply
    1,805x = 2,707.64 × 1,024.70
  4. Step 4: Simplify right side
    1,805x = 2,774,513.58
  5. Step 5: Solve for x
    x = 2,774,513.58/1,805
  6. Step 6: Final answer
    x = 1,537.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.