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Finding the Fourth Proportional to 68,089.33, 93,924.90 and 40,858.37

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Solution

The fourth proportional to 68,089.33, 93,924.90 and 40,858.37 is: 56,361.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.33 : 93,924.90 = 40,858.37 : x
  2. Step 2: Convert to fraction form
    68,089.33/93,924.90 = 40,858.37/x
  3. Step 3: Cross multiply
    68,089.33x = 93,924.90 × 40,858.37
  4. Step 4: Simplify right side
    68,089.33x = 3,837,618,316.41
  5. Step 5: Solve for x
    x = 3,837,618,316.41/68,089.33
  6. Step 6: Final answer
    x = 56,361.52

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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.