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Finding the Fourth Proportional to 49,159.44, 67,832.64 and 47,477.88

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Solution

The fourth proportional to 49,159.44, 67,832.64 and 47,477.88 is: 65,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,159.44 : 67,832.64 = 47,477.88 : x
  2. Step 2: Convert to fraction form
    49,159.44/67,832.64 = 47,477.88/x
  3. Step 3: Cross multiply
    49,159.44x = 67,832.64 × 47,477.88
  4. Step 4: Simplify right side
    49,159.44x = 3,220,549,942.00
  5. Step 5: Solve for x
    x = 3,220,549,942.00/49,159.44
  6. Step 6: Final answer
    x = 65,512.34

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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.