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Finding the Fourth Proportional to 69,708.79, 96,197.95 and 37,877.69

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Solution

The fourth proportional to 69,708.79, 96,197.95 and 37,877.69 is: 52,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.79 : 96,197.95 = 37,877.69 : x
  2. Step 2: Convert to fraction form
    69,708.79/96,197.95 = 37,877.69/x
  3. Step 3: Cross multiply
    69,708.79x = 96,197.95 × 37,877.69
  4. Step 4: Simplify right side
    69,708.79x = 3,643,756,310.05
  5. Step 5: Solve for x
    x = 3,643,756,310.05/69,708.79
  6. Step 6: Final answer
    x = 52,271.11

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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.