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Finding the Fourth Proportional to 62,810.88, 86,684.16 and 37,659.84

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Solution

The fourth proportional to 62,810.88, 86,684.16 and 37,659.84 is: 51,973.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,810.88 : 86,684.16 = 37,659.84 : x
  2. Step 2: Convert to fraction form
    62,810.88/86,684.16 = 37,659.84/x
  3. Step 3: Cross multiply
    62,810.88x = 86,684.16 × 37,659.84
  4. Step 4: Simplify right side
    62,810.88x = 3,264,511,596.13
  5. Step 5: Solve for x
    x = 3,264,511,596.13/62,810.88
  6. Step 6: Final answer
    x = 51,973.66

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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.