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Finding the Fourth Proportional to 46,910.32, 64,736.34 and 25,400.30

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Solution

The fourth proportional to 46,910.32, 64,736.34 and 25,400.30 is: 35,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,910.32 : 64,736.34 = 25,400.30 : x
  2. Step 2: Convert to fraction form
    46,910.32/64,736.34 = 25,400.30/x
  3. Step 3: Cross multiply
    46,910.32x = 64,736.34 × 25,400.30
  4. Step 4: Simplify right side
    46,910.32x = 1,644,322,456.90
  5. Step 5: Solve for x
    x = 1,644,322,456.90/46,910.32
  6. Step 6: Final answer
    x = 35,052.47

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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.