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Finding the Fourth Proportional to 37,627.68, 51,926.04 and 20,860.68

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Solution

The fourth proportional to 37,627.68, 51,926.04 and 20,860.68 is: 28,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,627.68 : 51,926.04 = 20,860.68 : x
  2. Step 2: Convert to fraction form
    37,627.68/51,926.04 = 20,860.68/x
  3. Step 3: Cross multiply
    37,627.68x = 51,926.04 × 20,860.68
  4. Step 4: Simplify right side
    37,627.68x = 1,083,212,504.11
  5. Step 5: Solve for x
    x = 1,083,212,504.11/37,627.68
  6. Step 6: Final answer
    x = 28,787.65

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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.