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Finding the Fourth Proportional to 53,892.68, 74,370.74 and 29,694.38

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Solution

The fourth proportional to 53,892.68, 74,370.74 and 29,694.38 is: 40,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,892.68 : 74,370.74 = 29,694.38 : x
  2. Step 2: Convert to fraction form
    53,892.68/74,370.74 = 29,694.38/x
  3. Step 3: Cross multiply
    53,892.68x = 74,370.74 × 29,694.38
  4. Step 4: Simplify right side
    53,892.68x = 2,208,393,014.44
  5. Step 5: Solve for x
    x = 2,208,393,014.44/53,892.68
  6. Step 6: Final answer
    x = 40,977.61

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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.