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Finding the Fourth Proportional to 37,959.47, 52,384.49 and 20,963.67

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Solution

The fourth proportional to 37,959.47, 52,384.49 and 20,963.67 is: 28,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,959.47 : 52,384.49 = 20,963.67 : x
  2. Step 2: Convert to fraction form
    37,959.47/52,384.49 = 20,963.67/x
  3. Step 3: Cross multiply
    37,959.47x = 52,384.49 × 20,963.67
  4. Step 4: Simplify right side
    37,959.47x = 1,098,171,056.66
  5. Step 5: Solve for x
    x = 1,098,171,056.66/37,959.47
  6. Step 6: Final answer
    x = 28,930.10

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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.