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Finding the Fourth Proportional to 58,182.63, 80,292.02 and 31,686.63

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Solution

The fourth proportional to 58,182.63, 80,292.02 and 31,686.63 is: 43,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,182.63 : 80,292.02 = 31,686.63 : x
  2. Step 2: Convert to fraction form
    58,182.63/80,292.02 = 31,686.63/x
  3. Step 3: Cross multiply
    58,182.63x = 80,292.02 × 31,686.63
  4. Step 4: Simplify right side
    58,182.63x = 2,544,183,529.69
  5. Step 5: Solve for x
    x = 2,544,183,529.69/58,182.63
  6. Step 6: Final answer
    x = 43,727.54

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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.