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Finding the Fourth Proportional to 51,873.68, 71,485.80 and 37,704.08

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Solution

The fourth proportional to 51,873.68, 71,485.80 and 37,704.08 is: 51,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,873.68 : 71,485.80 = 37,704.08 : x
  2. Step 2: Convert to fraction form
    51,873.68/71,485.80 = 37,704.08/x
  3. Step 3: Cross multiply
    51,873.68x = 71,485.80 × 37,704.08
  4. Step 4: Simplify right side
    51,873.68x = 2,695,306,322.06
  5. Step 5: Solve for x
    x = 2,695,306,322.06/51,873.68
  6. Step 6: Final answer
    x = 51,959.03

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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.