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Finding the Fourth Proportional to 67,700.39, 93,425.40 and 37,485.05

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Solution

The fourth proportional to 67,700.39, 93,425.40 and 37,485.05 is: 51,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,700.39 : 93,425.40 = 37,485.05 : x
  2. Step 2: Convert to fraction form
    67,700.39/93,425.40 = 37,485.05/x
  3. Step 3: Cross multiply
    67,700.39x = 93,425.40 × 37,485.05
  4. Step 4: Simplify right side
    67,700.39x = 3,502,055,323.14
  5. Step 5: Solve for x
    x = 3,502,055,323.14/67,700.39
  6. Step 6: Final answer
    x = 51,728.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.