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Finding the Fourth Proportional to 62,096.48, 85,646.93 and 39,415.77

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Solution

The fourth proportional to 62,096.48, 85,646.93 and 39,415.77 is: 54,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,096.48 : 85,646.93 = 39,415.77 : x
  2. Step 2: Convert to fraction form
    62,096.48/85,646.93 = 39,415.77/x
  3. Step 3: Cross multiply
    62,096.48x = 85,646.93 × 39,415.77
  4. Step 4: Simplify right side
    62,096.48x = 3,375,839,694.09
  5. Step 5: Solve for x
    x = 3,375,839,694.09/62,096.48
  6. Step 6: Final answer
    x = 54,364.43

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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.