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Finding the Fourth Proportional to 62,195.05, 85,829.30 and 40,699.54

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Solution

The fourth proportional to 62,195.05, 85,829.30 and 40,699.54 is: 56,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,195.05 : 85,829.30 = 40,699.54 : x
  2. Step 2: Convert to fraction form
    62,195.05/85,829.30 = 40,699.54/x
  3. Step 3: Cross multiply
    62,195.05x = 85,829.30 × 40,699.54
  4. Step 4: Simplify right side
    62,195.05x = 3,493,213,028.52
  5. Step 5: Solve for x
    x = 3,493,213,028.52/62,195.05
  6. Step 6: Final answer
    x = 56,165.45

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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.