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Finding the Fourth Proportional to 62,617.82, 86,416.11 and 37,139.27

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Solution

The fourth proportional to 62,617.82, 86,416.11 and 37,139.27 is: 51,254.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,617.82 : 86,416.11 = 37,139.27 : x
  2. Step 2: Convert to fraction form
    62,617.82/86,416.11 = 37,139.27/x
  3. Step 3: Cross multiply
    62,617.82x = 86,416.11 × 37,139.27
  4. Step 4: Simplify right side
    62,617.82x = 3,209,430,809.56
  5. Step 5: Solve for x
    x = 3,209,430,809.56/62,617.82
  6. Step 6: Final answer
    x = 51,254.28

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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.