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Finding the Fourth Proportional to 35,457.81, 48,930.82 and 19,542.26

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Solution

The fourth proportional to 35,457.81, 48,930.82 and 19,542.26 is: 26,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,457.81 : 48,930.82 = 19,542.26 : x
  2. Step 2: Convert to fraction form
    35,457.81/48,930.82 = 19,542.26/x
  3. Step 3: Cross multiply
    35,457.81x = 48,930.82 × 19,542.26
  4. Step 4: Simplify right side
    35,457.81x = 956,218,464.09
  5. Step 5: Solve for x
    x = 956,218,464.09/35,457.81
  6. Step 6: Final answer
    x = 26,967.78

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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.