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Finding the Fourth Proportional to 1,460.69, 2,015.75 and 936.72

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Solution

The fourth proportional to 1,460.69, 2,015.75 and 936.72 is: 1,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.69 : 2,015.75 = 936.72 : x
  2. Step 2: Convert to fraction form
    1,460.69/2,015.75 = 936.72/x
  3. Step 3: Cross multiply
    1,460.69x = 2,015.75 × 936.72
  4. Step 4: Simplify right side
    1,460.69x = 1,888,193.34
  5. Step 5: Solve for x
    x = 1,888,193.34/1,460.69
  6. Step 6: Final answer
    x = 1,292.67

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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.