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Finding the Fourth Proportional to 7,995.48, 11,051.28 and 7,044

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Solution

The fourth proportional to 7,995.48, 11,051.28 and 7,044 is: 9,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.48 : 11,051.28 = 7,044 : x
  2. Step 2: Convert to fraction form
    7,995.48/11,051.28 = 7,044/x
  3. Step 3: Cross multiply
    7,995.48x = 11,051.28 × 7,044
  4. Step 4: Simplify right side
    7,995.48x = 77,845,216.32
  5. Step 5: Solve for x
    x = 77,845,216.32/7,995.48
  6. Step 6: Final answer
    x = 9,736.15

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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.