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Finding the Fourth Proportional to 1,484.06, 2,048.04 and 961.01

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Solution

The fourth proportional to 1,484.06, 2,048.04 and 961.01 is: 1,326.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.06 : 2,048.04 = 961.01 : x
  2. Step 2: Convert to fraction form
    1,484.06/2,048.04 = 961.01/x
  3. Step 3: Cross multiply
    1,484.06x = 2,048.04 × 961.01
  4. Step 4: Simplify right side
    1,484.06x = 1,968,176.68
  5. Step 5: Solve for x
    x = 1,968,176.68/1,484.06
  6. Step 6: Final answer
    x = 1,326.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.