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Finding the Fourth Proportional to 35,929.81, 53,871.24 and 17,209.24

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Solution

The fourth proportional to 35,929.81, 53,871.24 and 17,209.24 is: 25,802.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,929.81 : 53,871.24 = 17,209.24 : x
  2. Step 2: Convert to fraction form
    35,929.81/53,871.24 = 17,209.24/x
  3. Step 3: Cross multiply
    35,929.81x = 53,871.24 × 17,209.24
  4. Step 4: Simplify right side
    35,929.81x = 927,083,331.14
  5. Step 5: Solve for x
    x = 927,083,331.14/35,929.81
  6. Step 6: Final answer
    x = 25,802.62

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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.