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Finding the Fourth Proportional to 38,694.31, 53,352.57 and 35,824.91

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Solution

The fourth proportional to 38,694.31, 53,352.57 and 35,824.91 is: 49,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,694.31 : 53,352.57 = 35,824.91 : x
  2. Step 2: Convert to fraction form
    38,694.31/53,352.57 = 35,824.91/x
  3. Step 3: Cross multiply
    38,694.31x = 53,352.57 × 35,824.91
  4. Step 4: Simplify right side
    38,694.31x = 1,911,350,572.63
  5. Step 5: Solve for x
    x = 1,911,350,572.63/38,694.31
  6. Step 6: Final answer
    x = 49,396.17

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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.