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Finding the Fourth Proportional to 16,528.55, 22,809.42 and 8,974.88

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Solution

The fourth proportional to 16,528.55, 22,809.42 and 8,974.88 is: 12,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.55 : 22,809.42 = 8,974.88 : x
  2. Step 2: Convert to fraction form
    16,528.55/22,809.42 = 8,974.88/x
  3. Step 3: Cross multiply
    16,528.55x = 22,809.42 × 8,974.88
  4. Step 4: Simplify right side
    16,528.55x = 204,711,807.37
  5. Step 5: Solve for x
    x = 204,711,807.37/16,528.55
  6. Step 6: Final answer
    x = 12,385.35

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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.