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Finding the Fourth Proportional to 45,908.40, 68,808.60 and 26,205.60

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Solution

The fourth proportional to 45,908.40, 68,808.60 and 26,205.60 is: 39,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,908.40 : 68,808.60 = 26,205.60 : x
  2. Step 2: Convert to fraction form
    45,908.40/68,808.60 = 26,205.60/x
  3. Step 3: Cross multiply
    45,908.40x = 68,808.60 × 26,205.60
  4. Step 4: Simplify right side
    45,908.40x = 1,803,170,648.16
  5. Step 5: Solve for x
    x = 1,803,170,648.16/45,908.40
  6. Step 6: Final answer
    x = 39,277.58

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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.