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Finding the Fourth Proportional to 16,358.80, 24,503.72 and 7,481.60

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Solution

The fourth proportional to 16,358.80, 24,503.72 and 7,481.60 is: 11,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,358.80 : 24,503.72 = 7,481.60 : x
  2. Step 2: Convert to fraction form
    16,358.80/24,503.72 = 7,481.60/x
  3. Step 3: Cross multiply
    16,358.80x = 24,503.72 × 7,481.60
  4. Step 4: Simplify right side
    16,358.80x = 183,327,036.70
  5. Step 5: Solve for x
    x = 183,327,036.70/16,358.80
  6. Step 6: Final answer
    x = 11,206.63

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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.