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Finding the Fourth Proportional to 58,606.65, 80,877.39 and 31,749.09

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Solution

The fourth proportional to 58,606.65, 80,877.39 and 31,749.09 is: 43,813.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,606.65 : 80,877.39 = 31,749.09 : x
  2. Step 2: Convert to fraction form
    58,606.65/80,877.39 = 31,749.09/x
  3. Step 3: Cross multiply
    58,606.65x = 80,877.39 × 31,749.09
  4. Step 4: Simplify right side
    58,606.65x = 2,567,783,534.08
  5. Step 5: Solve for x
    x = 2,567,783,534.08/58,606.65
  6. Step 6: Final answer
    x = 43,813.86

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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.