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Finding the Fourth Proportional to 37,596.93, 51,880.31 and 21,678.30

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Solution

The fourth proportional to 37,596.93, 51,880.31 and 21,678.30 is: 29,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,596.93 : 51,880.31 = 21,678.30 : x
  2. Step 2: Convert to fraction form
    37,596.93/51,880.31 = 21,678.30/x
  3. Step 3: Cross multiply
    37,596.93x = 51,880.31 × 21,678.30
  4. Step 4: Simplify right side
    37,596.93x = 1,124,676,924.27
  5. Step 5: Solve for x
    x = 1,124,676,924.27/37,596.93
  6. Step 6: Final answer
    x = 29,914.06

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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.