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Finding the Fourth Proportional to 58,497.44, 80,726.20 and 31,639.88

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Solution

The fourth proportional to 58,497.44, 80,726.20 and 31,639.88 is: 43,662.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,497.44 : 80,726.20 = 31,639.88 : x
  2. Step 2: Convert to fraction form
    58,497.44/80,726.20 = 31,639.88/x
  3. Step 3: Cross multiply
    58,497.44x = 80,726.20 × 31,639.88
  4. Step 4: Simplify right side
    58,497.44x = 2,554,167,252.21
  5. Step 5: Solve for x
    x = 2,554,167,252.21/58,497.44
  6. Step 6: Final answer
    x = 43,662.89

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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.