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Finding the Fourth Proportional to 37,958.76, 56,900.03 and 12,981.74

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Solution

The fourth proportional to 37,958.76, 56,900.03 and 12,981.74 is: 19,459.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,958.76 : 56,900.03 = 12,981.74 : x
  2. Step 2: Convert to fraction form
    37,958.76/56,900.03 = 12,981.74/x
  3. Step 3: Cross multiply
    37,958.76x = 56,900.03 × 12,981.74
  4. Step 4: Simplify right side
    37,958.76x = 738,661,046.04
  5. Step 5: Solve for x
    x = 738,661,046.04/37,958.76
  6. Step 6: Final answer
    x = 19,459.57

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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.