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Finding the Fourth Proportional to 16,404.70, 24,619.20 and 12,030.70

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Solution

The fourth proportional to 16,404.70, 24,619.20 and 12,030.70 is: 18,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,404.70 : 24,619.20 = 12,030.70 : x
  2. Step 2: Convert to fraction form
    16,404.70/24,619.20 = 12,030.70/x
  3. Step 3: Cross multiply
    16,404.70x = 24,619.20 × 12,030.70
  4. Step 4: Simplify right side
    16,404.70x = 296,186,209.44
  5. Step 5: Solve for x
    x = 296,186,209.44/16,404.70
  6. Step 6: Final answer
    x = 18,054.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.