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Finding the Fourth Proportional to 29,703.08, 40,975.40 and 17,763.28

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Solution

The fourth proportional to 29,703.08, 40,975.40 and 17,763.28 is: 24,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,703.08 : 40,975.40 = 17,763.28 : x
  2. Step 2: Convert to fraction form
    29,703.08/40,975.40 = 17,763.28/x
  3. Step 3: Cross multiply
    29,703.08x = 40,975.40 × 17,763.28
  4. Step 4: Simplify right side
    29,703.08x = 727,857,503.31
  5. Step 5: Solve for x
    x = 727,857,503.31/29,703.08
  6. Step 6: Final answer
    x = 24,504.45

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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.