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Finding the Fourth Proportional to 66,615.33, 99,992.21 and 44,582.67

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Solution

The fourth proportional to 66,615.33, 99,992.21 and 44,582.67 is: 66,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,615.33 : 99,992.21 = 44,582.67 : x
  2. Step 2: Convert to fraction form
    66,615.33/99,992.21 = 44,582.67/x
  3. Step 3: Cross multiply
    66,615.33x = 99,992.21 × 44,582.67
  4. Step 4: Simplify right side
    66,615.33x = 4,457,919,478.09
  5. Step 5: Solve for x
    x = 4,457,919,478.09/66,615.33
  6. Step 6: Final answer
    x = 66,920.32

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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.