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Finding the Fourth Proportional to 57,257.00, 79,014.86 and 31,763.87

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Solution

The fourth proportional to 57,257.00, 79,014.86 and 31,763.87 is: 43,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.00 : 79,014.86 = 31,763.87 : x
  2. Step 2: Convert to fraction form
    57,257.00/79,014.86 = 31,763.87/x
  3. Step 3: Cross multiply
    57,257.00x = 79,014.86 × 31,763.87
  4. Step 4: Simplify right side
    57,257.00x = 2,509,817,602.63
  5. Step 5: Solve for x
    x = 2,509,817,602.63/57,257.00
  6. Step 6: Final answer
    x = 43,834.25

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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.