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Finding the Fourth Proportional to 69,971.39, 104,988.02 and 36,683.49

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Solution

The fourth proportional to 69,971.39, 104,988.02 and 36,683.49 is: 55,041.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,971.39 : 104,988.02 = 36,683.49 : x
  2. Step 2: Convert to fraction form
    69,971.39/104,988.02 = 36,683.49/x
  3. Step 3: Cross multiply
    69,971.39x = 104,988.02 × 36,683.49
  4. Step 4: Simplify right side
    69,971.39x = 3,851,326,798.37
  5. Step 5: Solve for x
    x = 3,851,326,798.37/69,971.39
  6. Step 6: Final answer
    x = 55,041.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.