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Finding the Fourth Proportional to 37,285.84, 55,938.48 and 13,912.48

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Solution

The fourth proportional to 37,285.84, 55,938.48 and 13,912.48 is: 20,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,285.84 : 55,938.48 = 13,912.48 : x
  2. Step 2: Convert to fraction form
    37,285.84/55,938.48 = 13,912.48/x
  3. Step 3: Cross multiply
    37,285.84x = 55,938.48 × 13,912.48
  4. Step 4: Simplify right side
    37,285.84x = 778,242,984.23
  5. Step 5: Solve for x
    x = 778,242,984.23/37,285.84
  6. Step 6: Final answer
    x = 20,872.35

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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.