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Finding the Fourth Proportional to 39,674, 59,523.88 and 30,938.96

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Solution

The fourth proportional to 39,674, 59,523.88 and 30,938.96 is: 46,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674 : 59,523.88 = 30,938.96 : x
  2. Step 2: Convert to fraction form
    39,674/59,523.88 = 30,938.96/x
  3. Step 3: Cross multiply
    39,674x = 59,523.88 × 30,938.96
  4. Step 4: Simplify right side
    39,674x = 1,841,606,942.36
  5. Step 5: Solve for x
    x = 1,841,606,942.36/39,674
  6. Step 6: Final answer
    x = 46,418.48

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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.