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Finding the Fourth Proportional to 27,172, 40,757.86 and 16,501.06

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Solution

The fourth proportional to 27,172, 40,757.86 and 16,501.06 is: 24,751.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172 : 40,757.86 = 16,501.06 : x
  2. Step 2: Convert to fraction form
    27,172/40,757.86 = 16,501.06/x
  3. Step 3: Cross multiply
    27,172x = 40,757.86 × 16,501.06
  4. Step 4: Simplify right side
    27,172x = 672,547,893.33
  5. Step 5: Solve for x
    x = 672,547,893.33/27,172
  6. Step 6: Final answer
    x = 24,751.50

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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.