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Finding the Fourth Proportional to 43,663.67, 60,117.71 and 39,672.84

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Solution

The fourth proportional to 43,663.67, 60,117.71 and 39,672.84 is: 54,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.67 : 60,117.71 = 39,672.84 : x
  2. Step 2: Convert to fraction form
    43,663.67/60,117.71 = 39,672.84/x
  3. Step 3: Cross multiply
    43,663.67x = 60,117.71 × 39,672.84
  4. Step 4: Simplify right side
    43,663.67x = 2,385,040,091.63
  5. Step 5: Solve for x
    x = 2,385,040,091.63/43,663.67
  6. Step 6: Final answer
    x = 54,622.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.