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Finding the Fourth Proportional to 16,392.81, 22,624.00 and 9,320.30

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Solution

The fourth proportional to 16,392.81, 22,624.00 and 9,320.30 is: 12,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,392.81 : 22,624.00 = 9,320.30 : x
  2. Step 2: Convert to fraction form
    16,392.81/22,624.00 = 9,320.30/x
  3. Step 3: Cross multiply
    16,392.81x = 22,624.00 × 9,320.30
  4. Step 4: Simplify right side
    16,392.81x = 210,862,330.78
  5. Step 5: Solve for x
    x = 210,862,330.78/16,392.81
  6. Step 6: Final answer
    x = 12,863.10

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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.