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Finding the Fourth Proportional to 16,963.52, 23,411.04 and 9,412.22

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Solution

The fourth proportional to 16,963.52, 23,411.04 and 9,412.22 is: 12,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.52 : 23,411.04 = 9,412.22 : x
  2. Step 2: Convert to fraction form
    16,963.52/23,411.04 = 9,412.22/x
  3. Step 3: Cross multiply
    16,963.52x = 23,411.04 × 9,412.22
  4. Step 4: Simplify right side
    16,963.52x = 220,349,858.91
  5. Step 5: Solve for x
    x = 220,349,858.91/16,963.52
  6. Step 6: Final answer
    x = 12,989.63

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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.