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Finding the Fourth Proportional to 84,010.84, 125,918.75 and 34,028.77

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Solution

The fourth proportional to 84,010.84, 125,918.75 and 34,028.77 is: 51,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.84 : 125,918.75 = 34,028.77 : x
  2. Step 2: Convert to fraction form
    84,010.84/125,918.75 = 34,028.77/x
  3. Step 3: Cross multiply
    84,010.84x = 125,918.75 × 34,028.77
  4. Step 4: Simplify right side
    84,010.84x = 4,284,860,497.23
  5. Step 5: Solve for x
    x = 4,284,860,497.23/84,010.84
  6. Step 6: Final answer
    x = 51,003.67

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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.