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Finding the Fourth Proportional to 22,253.92, 30,710.28 and 12,044.94

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Solution

The fourth proportional to 22,253.92, 30,710.28 and 12,044.94 is: 16,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.92 : 30,710.28 = 12,044.94 : x
  2. Step 2: Convert to fraction form
    22,253.92/30,710.28 = 12,044.94/x
  3. Step 3: Cross multiply
    22,253.92x = 30,710.28 × 12,044.94
  4. Step 4: Simplify right side
    22,253.92x = 369,903,479.98
  5. Step 5: Solve for x
    x = 369,903,479.98/22,253.92
  6. Step 6: Final answer
    x = 16,621.95

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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.