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Finding the Fourth Proportional to 53,009.78, 79,524.43 and 17,473.22

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Solution

The fourth proportional to 53,009.78, 79,524.43 and 17,473.22 is: 26,213.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.78 : 79,524.43 = 17,473.22 : x
  2. Step 2: Convert to fraction form
    53,009.78/79,524.43 = 17,473.22/x
  3. Step 3: Cross multiply
    53,009.78x = 79,524.43 × 17,473.22
  4. Step 4: Simplify right side
    53,009.78x = 1,389,547,419.46
  5. Step 5: Solve for x
    x = 1,389,547,419.46/53,009.78
  6. Step 6: Final answer
    x = 26,213.04

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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.