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Finding the Fourth Proportional to 1,460.52, 2,015.16 and 830.94

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Solution

The fourth proportional to 1,460.52, 2,015.16 and 830.94 is: 1,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.52 : 2,015.16 = 830.94 : x
  2. Step 2: Convert to fraction form
    1,460.52/2,015.16 = 830.94/x
  3. Step 3: Cross multiply
    1,460.52x = 2,015.16 × 830.94
  4. Step 4: Simplify right side
    1,460.52x = 1,674,477.05
  5. Step 5: Solve for x
    x = 1,674,477.05/1,460.52
  6. Step 6: Final answer
    x = 1,146.49

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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.