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Finding the Fourth Proportional to 62,107, 85,707.30 and 35,254.60

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Solution

The fourth proportional to 62,107, 85,707.30 and 35,254.60 is: 48,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107 : 85,707.30 = 35,254.60 : x
  2. Step 2: Convert to fraction form
    62,107/85,707.30 = 35,254.60/x
  3. Step 3: Cross multiply
    62,107x = 85,707.30 × 35,254.60
  4. Step 4: Simplify right side
    62,107x = 3,021,576,578.58
  5. Step 5: Solve for x
    x = 3,021,576,578.58/62,107
  6. Step 6: Final answer
    x = 48,651.14

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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.