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Finding the Fourth Proportional to 58,851.87, 81,216.09 and 31,994.37

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Solution

The fourth proportional to 58,851.87, 81,216.09 and 31,994.37 is: 44,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,851.87 : 81,216.09 = 31,994.37 : x
  2. Step 2: Convert to fraction form
    58,851.87/81,216.09 = 31,994.37/x
  3. Step 3: Cross multiply
    58,851.87x = 81,216.09 × 31,994.37
  4. Step 4: Simplify right side
    58,851.87x = 2,598,457,633.41
  5. Step 5: Solve for x
    x = 2,598,457,633.41/58,851.87
  6. Step 6: Final answer
    x = 44,152.51

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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.