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Finding the Fourth Proportional to 37,292.50, 51,464.46 and 20,525.50

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Solution

The fourth proportional to 37,292.50, 51,464.46 and 20,525.50 is: 28,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,292.50 : 51,464.46 = 20,525.50 : x
  2. Step 2: Convert to fraction form
    37,292.50/51,464.46 = 20,525.50/x
  3. Step 3: Cross multiply
    37,292.50x = 51,464.46 × 20,525.50
  4. Step 4: Simplify right side
    37,292.50x = 1,056,333,773.73
  5. Step 5: Solve for x
    x = 1,056,333,773.73/37,292.50
  6. Step 6: Final answer
    x = 28,325.64

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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.