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Finding the Fourth Proportional to 62,729.88, 86,544.90 and 37,216.77

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Solution

The fourth proportional to 62,729.88, 86,544.90 and 37,216.77 is: 51,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,729.88 : 86,544.90 = 37,216.77 : x
  2. Step 2: Convert to fraction form
    62,729.88/86,544.90 = 37,216.77/x
  3. Step 3: Cross multiply
    62,729.88x = 86,544.90 × 37,216.77
  4. Step 4: Simplify right side
    62,729.88x = 3,220,921,637.97
  5. Step 5: Solve for x
    x = 3,220,921,637.97/62,729.88
  6. Step 6: Final answer
    x = 51,345.89

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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.