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Finding the Fourth Proportional to 63,980.45, 95,714.36 and 55,308.77

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Solution

The fourth proportional to 63,980.45, 95,714.36 and 55,308.77 is: 82,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.45 : 95,714.36 = 55,308.77 : x
  2. Step 2: Convert to fraction form
    63,980.45/95,714.36 = 55,308.77/x
  3. Step 3: Cross multiply
    63,980.45x = 95,714.36 × 55,308.77
  4. Step 4: Simplify right side
    63,980.45x = 5,293,843,246.39
  5. Step 5: Solve for x
    x = 5,293,843,246.39/63,980.45
  6. Step 6: Final answer
    x = 82,741.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.