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Finding the Fourth Proportional to 44,536.77, 66,794.63 and 12,938.40

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Solution

The fourth proportional to 44,536.77, 66,794.63 and 12,938.40 is: 19,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,536.77 : 66,794.63 = 12,938.40 : x
  2. Step 2: Convert to fraction form
    44,536.77/66,794.63 = 12,938.40/x
  3. Step 3: Cross multiply
    44,536.77x = 66,794.63 × 12,938.40
  4. Step 4: Simplify right side
    44,536.77x = 864,215,576.10
  5. Step 5: Solve for x
    x = 864,215,576.10/44,536.77
  6. Step 6: Final answer
    x = 19,404.54

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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.