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Finding the Fourth Proportional to 16,515.95, 22,795.97 and 9,446.49

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Solution

The fourth proportional to 16,515.95, 22,795.97 and 9,446.49 is: 13,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.95 : 22,795.97 = 9,446.49 : x
  2. Step 2: Convert to fraction form
    16,515.95/22,795.97 = 9,446.49/x
  3. Step 3: Cross multiply
    16,515.95x = 22,795.97 × 9,446.49
  4. Step 4: Simplify right side
    16,515.95x = 215,341,855.41
  5. Step 5: Solve for x
    x = 215,341,855.41/16,515.95
  6. Step 6: Final answer
    x = 13,038.42

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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.