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Finding the Fourth Proportional to 37,703.63, 52,031.01 and 20,936.63

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Solution

The fourth proportional to 37,703.63, 52,031.01 and 20,936.63 is: 28,892.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,703.63 : 52,031.01 = 20,936.63 : x
  2. Step 2: Convert to fraction form
    37,703.63/52,031.01 = 20,936.63/x
  3. Step 3: Cross multiply
    37,703.63x = 52,031.01 × 20,936.63
  4. Step 4: Simplify right side
    37,703.63x = 1,089,353,744.74
  5. Step 5: Solve for x
    x = 1,089,353,744.74/37,703.63
  6. Step 6: Final answer
    x = 28,892.55

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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.