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Finding the Fourth Proportional to 33,963.30, 50,953.76 and 12,903.71

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Solution

The fourth proportional to 33,963.30, 50,953.76 and 12,903.71 is: 19,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,963.30 : 50,953.76 = 12,903.71 : x
  2. Step 2: Convert to fraction form
    33,963.30/50,953.76 = 12,903.71/x
  3. Step 3: Cross multiply
    33,963.30x = 50,953.76 × 12,903.71
  4. Step 4: Simplify right side
    33,963.30x = 657,492,271.55
  5. Step 5: Solve for x
    x = 657,492,271.55/33,963.30
  6. Step 6: Final answer
    x = 19,358.90

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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.