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Finding the Fourth Proportional to 37,348.84, 51,538.98 and 20,581.84

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Solution

The fourth proportional to 37,348.84, 51,538.98 and 20,581.84 is: 28,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,348.84 : 51,538.98 = 20,581.84 : x
  2. Step 2: Convert to fraction form
    37,348.84/51,538.98 = 20,581.84/x
  3. Step 3: Cross multiply
    37,348.84x = 51,538.98 × 20,581.84
  4. Step 4: Simplify right side
    37,348.84x = 1,060,767,040.12
  5. Step 5: Solve for x
    x = 1,060,767,040.12/37,348.84
  6. Step 6: Final answer
    x = 28,401.61

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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.