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Finding the Fourth Proportional to 16,491.63, 24,646.90 and 12,058.62

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Solution

The fourth proportional to 16,491.63, 24,646.90 and 12,058.62 is: 18,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.63 : 24,646.90 = 12,058.62 : x
  2. Step 2: Convert to fraction form
    16,491.63/24,646.90 = 12,058.62/x
  3. Step 3: Cross multiply
    16,491.63x = 24,646.90 × 12,058.62
  4. Step 4: Simplify right side
    16,491.63x = 297,207,601.28
  5. Step 5: Solve for x
    x = 297,207,601.28/16,491.63
  6. Step 6: Final answer
    x = 18,021.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.