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Finding the Fourth Proportional to 58,573.56, 80,831.70 and 31,716.36

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Solution

The fourth proportional to 58,573.56, 80,831.70 and 31,716.36 is: 43,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,573.56 : 80,831.70 = 31,716.36 : x
  2. Step 2: Convert to fraction form
    58,573.56/80,831.70 = 31,716.36/x
  3. Step 3: Cross multiply
    58,573.56x = 80,831.70 × 31,716.36
  4. Step 4: Simplify right side
    58,573.56x = 2,563,687,296.61
  5. Step 5: Solve for x
    x = 2,563,687,296.61/58,573.56
  6. Step 6: Final answer
    x = 43,768.68

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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.