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Finding the Fourth Proportional to 66,405.69, 99,623.34 and 24,284.84

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Solution

The fourth proportional to 66,405.69, 99,623.34 and 24,284.84 is: 36,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,405.69 : 99,623.34 = 24,284.84 : x
  2. Step 2: Convert to fraction form
    66,405.69/99,623.34 = 24,284.84/x
  3. Step 3: Cross multiply
    66,405.69x = 99,623.34 × 24,284.84
  4. Step 4: Simplify right side
    66,405.69x = 2,419,336,872.17
  5. Step 5: Solve for x
    x = 2,419,336,872.17/66,405.69
  6. Step 6: Final answer
    x = 36,432.67

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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.