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Finding the Fourth Proportional to 16,479, 22,700.88 and 12,496.23

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Solution

The fourth proportional to 16,479, 22,700.88 and 12,496.23 is: 17,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479 : 22,700.88 = 12,496.23 : x
  2. Step 2: Convert to fraction form
    16,479/22,700.88 = 12,496.23/x
  3. Step 3: Cross multiply
    16,479x = 22,700.88 × 12,496.23
  4. Step 4: Simplify right side
    16,479x = 283,675,417.68
  5. Step 5: Solve for x
    x = 283,675,417.68/16,479
  6. Step 6: Final answer
    x = 17,214.36

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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.