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Finding the Fourth Proportional to 1,460.99, 2,192.13 and 767.50

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Solution

The fourth proportional to 1,460.99, 2,192.13 and 767.50 is: 1,151.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.99 : 2,192.13 = 767.50 : x
  2. Step 2: Convert to fraction form
    1,460.99/2,192.13 = 767.50/x
  3. Step 3: Cross multiply
    1,460.99x = 2,192.13 × 767.50
  4. Step 4: Simplify right side
    1,460.99x = 1,682,455.19
  5. Step 5: Solve for x
    x = 1,682,455.19/1,460.99
  6. Step 6: Final answer
    x = 1,151.58

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Why These Related Problems?

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