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Finding the Fourth Proportional to 19,802.67, 27,325.56 and 11,304

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Solution

The fourth proportional to 19,802.67, 27,325.56 and 11,304 is: 15,598.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,802.67 : 27,325.56 = 11,304 : x
  2. Step 2: Convert to fraction form
    19,802.67/27,325.56 = 11,304/x
  3. Step 3: Cross multiply
    19,802.67x = 27,325.56 × 11,304
  4. Step 4: Simplify right side
    19,802.67x = 308,888,130.24
  5. Step 5: Solve for x
    x = 308,888,130.24/19,802.67
  6. Step 6: Final answer
    x = 15,598.31

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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.