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Finding the Fourth Proportional to 37,938.40, 56,950.80 and 22,364.80

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Solution

The fourth proportional to 37,938.40, 56,950.80 and 22,364.80 is: 33,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,938.40 : 56,950.80 = 22,364.80 : x
  2. Step 2: Convert to fraction form
    37,938.40/56,950.80 = 22,364.80/x
  3. Step 3: Cross multiply
    37,938.40x = 56,950.80 × 22,364.80
  4. Step 4: Simplify right side
    37,938.40x = 1,273,693,251.84
  5. Step 5: Solve for x
    x = 1,273,693,251.84/37,938.40
  6. Step 6: Final answer
    x = 33,572.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.