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Finding the Fourth Proportional to 37,561.50, 51,836.58 and 20,794.50

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Solution

The fourth proportional to 37,561.50, 51,836.58 and 20,794.50 is: 28,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,561.50 : 51,836.58 = 20,794.50 : x
  2. Step 2: Convert to fraction form
    37,561.50/51,836.58 = 20,794.50/x
  3. Step 3: Cross multiply
    37,561.50x = 51,836.58 × 20,794.50
  4. Step 4: Simplify right side
    37,561.50x = 1,077,915,762.81
  5. Step 5: Solve for x
    x = 1,077,915,762.81/37,561.50
  6. Step 6: Final answer
    x = 28,697.36

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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.