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Finding the Fourth Proportional to 27,354.78, 37,749.78 and 16,030.98

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Solution

The fourth proportional to 27,354.78, 37,749.78 and 16,030.98 is: 22,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,354.78 : 37,749.78 = 16,030.98 : x
  2. Step 2: Convert to fraction form
    27,354.78/37,749.78 = 16,030.98/x
  3. Step 3: Cross multiply
    27,354.78x = 37,749.78 × 16,030.98
  4. Step 4: Simplify right side
    27,354.78x = 605,165,968.18
  5. Step 5: Solve for x
    x = 605,165,968.18/27,354.78
  6. Step 6: Final answer
    x = 22,122.86

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1.5x scale

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.