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Finding the Fourth Proportional to 43,335.09, 64,975.50 and 17,009.28

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Solution

The fourth proportional to 43,335.09, 64,975.50 and 17,009.28 is: 25,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,335.09 : 64,975.50 = 17,009.28 : x
  2. Step 2: Convert to fraction form
    43,335.09/64,975.50 = 17,009.28/x
  3. Step 3: Cross multiply
    43,335.09x = 64,975.50 × 17,009.28
  4. Step 4: Simplify right side
    43,335.09x = 1,105,186,472.64
  5. Step 5: Solve for x
    x = 1,105,186,472.64/43,335.09
  6. Step 6: Final answer
    x = 25,503.27

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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.