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Finding the Fourth Proportional to 33,026, 45,578.28 and 18,878.48

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Solution

The fourth proportional to 33,026, 45,578.28 and 18,878.48 is: 26,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,026 : 45,578.28 = 18,878.48 : x
  2. Step 2: Convert to fraction form
    33,026/45,578.28 = 18,878.48/x
  3. Step 3: Cross multiply
    33,026x = 45,578.28 × 18,878.48
  4. Step 4: Simplify right side
    33,026x = 860,448,647.41
  5. Step 5: Solve for x
    x = 860,448,647.41/33,026
  6. Step 6: Final answer
    x = 26,053.67

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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.