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Finding the Fourth Proportional to 51,897.90, 77,846.82 and 16,837.56

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Solution

The fourth proportional to 51,897.90, 77,846.82 and 16,837.56 is: 25,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,897.90 : 77,846.82 = 16,837.56 : x
  2. Step 2: Convert to fraction form
    51,897.90/77,846.82 = 16,837.56/x
  3. Step 3: Cross multiply
    51,897.90x = 77,846.82 × 16,837.56
  4. Step 4: Simplify right side
    51,897.90x = 1,310,750,502.56
  5. Step 5: Solve for x
    x = 1,310,750,502.56/51,897.90
  6. Step 6: Final answer
    x = 25,256.33

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1.5x scale

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.