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Finding the Fourth Proportional to 62,671.60, 86,457 and 37,516.24

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Solution

The fourth proportional to 62,671.60, 86,457 and 37,516.24 is: 51,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,671.60 : 86,457 = 37,516.24 : x
  2. Step 2: Convert to fraction form
    62,671.60/86,457 = 37,516.24/x
  3. Step 3: Cross multiply
    62,671.60x = 86,457 × 37,516.24
  4. Step 4: Simplify right side
    62,671.60x = 3,243,541,561.68
  5. Step 5: Solve for x
    x = 3,243,541,561.68/62,671.60
  6. Step 6: Final answer
    x = 51,754.57

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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.