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Finding the Fourth Proportional to 66,483.89, 99,725.57 and 27,040.67

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Solution

The fourth proportional to 66,483.89, 99,725.57 and 27,040.67 is: 40,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,483.89 : 99,725.57 = 27,040.67 : x
  2. Step 2: Convert to fraction form
    66,483.89/99,725.57 = 27,040.67/x
  3. Step 3: Cross multiply
    66,483.89x = 99,725.57 × 27,040.67
  4. Step 4: Simplify right side
    66,483.89x = 2,696,646,093.73
  5. Step 5: Solve for x
    x = 2,696,646,093.73/66,483.89
  6. Step 6: Final answer
    x = 40,560.90

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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.