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Finding the Fourth Proportional to 45,627.67, 68,436.11 and 14,037.67

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Solution

The fourth proportional to 45,627.67, 68,436.11 and 14,037.67 is: 21,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,627.67 : 68,436.11 = 14,037.67 : x
  2. Step 2: Convert to fraction form
    45,627.67/68,436.11 = 14,037.67/x
  3. Step 3: Cross multiply
    45,627.67x = 68,436.11 × 14,037.67
  4. Step 4: Simplify right side
    45,627.67x = 960,683,357.17
  5. Step 5: Solve for x
    x = 960,683,357.17/45,627.67
  6. Step 6: Final answer
    x = 21,054.84

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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.