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Finding the Fourth Proportional to 58,488.44, 80,714.28 and 31,630.94

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Solution

The fourth proportional to 58,488.44, 80,714.28 and 31,630.94 is: 43,650.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.44 : 80,714.28 = 31,630.94 : x
  2. Step 2: Convert to fraction form
    58,488.44/80,714.28 = 31,630.94/x
  3. Step 3: Cross multiply
    58,488.44x = 80,714.28 × 31,630.94
  4. Step 4: Simplify right side
    58,488.44x = 2,553,068,969.12
  5. Step 5: Solve for x
    x = 2,553,068,969.12/58,488.44
  6. Step 6: Final answer
    x = 43,650.83

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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.