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Finding the Fourth Proportional to 17,280.81, 25,918.29 and 4,802.04

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Solution

The fourth proportional to 17,280.81, 25,918.29 and 4,802.04 is: 7,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.81 : 25,918.29 = 4,802.04 : x
  2. Step 2: Convert to fraction form
    17,280.81/25,918.29 = 4,802.04/x
  3. Step 3: Cross multiply
    17,280.81x = 25,918.29 × 4,802.04
  4. Step 4: Simplify right side
    17,280.81x = 124,460,665.31
  5. Step 5: Solve for x
    x = 124,460,665.31/17,280.81
  6. Step 6: Final answer
    x = 7,202.25

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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.