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Finding the Fourth Proportional to 69,708.63, 96,197.58 and 39,493.89

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Solution

The fourth proportional to 69,708.63, 96,197.58 and 39,493.89 is: 54,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,708.63 : 96,197.58 = 39,493.89 : x
  2. Step 2: Convert to fraction form
    69,708.63/96,197.58 = 39,493.89/x
  3. Step 3: Cross multiply
    69,708.63x = 96,197.58 × 39,493.89
  4. Step 4: Simplify right side
    69,708.63x = 3,799,216,133.94
  5. Step 5: Solve for x
    x = 3,799,216,133.94/69,708.63
  6. Step 6: Final answer
    x = 54,501.37

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1.5x scale

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.