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Finding the Fourth Proportional to 44,516.85, 66,781.88 and 12,927.18

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Solution

The fourth proportional to 44,516.85, 66,781.88 and 12,927.18 is: 19,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,516.85 : 66,781.88 = 12,927.18 : x
  2. Step 2: Convert to fraction form
    44,516.85/66,781.88 = 12,927.18/x
  3. Step 3: Cross multiply
    44,516.85x = 66,781.88 × 12,927.18
  4. Step 4: Simplify right side
    44,516.85x = 863,301,383.50
  5. Step 5: Solve for x
    x = 863,301,383.50/44,516.85
  6. Step 6: Final answer
    x = 19,392.69

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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.