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Finding the Fourth Proportional to 62,820.88, 86,697.96 and 37,669.84

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Solution

The fourth proportional to 62,820.88, 86,697.96 and 37,669.84 is: 51,987.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.88 : 86,697.96 = 37,669.84 : x
  2. Step 2: Convert to fraction form
    62,820.88/86,697.96 = 37,669.84/x
  3. Step 3: Cross multiply
    62,820.88x = 86,697.96 × 37,669.84
  4. Step 4: Simplify right side
    62,820.88x = 3,265,898,281.53
  5. Step 5: Solve for x
    x = 3,265,898,281.53/62,820.88
  6. Step 6: Final answer
    x = 51,987.46

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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.