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Finding the Fourth Proportional to 22,123.99, 30,530.64 and 12,052.32

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Solution

The fourth proportional to 22,123.99, 30,530.64 and 12,052.32 is: 16,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.99 : 30,530.64 = 12,052.32 : x
  2. Step 2: Convert to fraction form
    22,123.99/30,530.64 = 12,052.32/x
  3. Step 3: Cross multiply
    22,123.99x = 30,530.64 × 12,052.32
  4. Step 4: Simplify right side
    22,123.99x = 367,965,043.08
  5. Step 5: Solve for x
    x = 367,965,043.08/22,123.99
  6. Step 6: Final answer
    x = 16,631.95

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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.