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Finding the Fourth Proportional to 18,358.48, 27,384.80 and 16,586.80

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Solution

The fourth proportional to 18,358.48, 27,384.80 and 16,586.80 is: 24,742.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.48 : 27,384.80 = 16,586.80 : x
  2. Step 2: Convert to fraction form
    18,358.48/27,384.80 = 16,586.80/x
  3. Step 3: Cross multiply
    18,358.48x = 27,384.80 × 16,586.80
  4. Step 4: Simplify right side
    18,358.48x = 454,226,200.64
  5. Step 5: Solve for x
    x = 454,226,200.64/18,358.48
  6. Step 6: Final answer
    x = 24,742.04

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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.