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Finding the Fourth Proportional to 16,145.80, 24,210.60 and 7,370.80

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Solution

The fourth proportional to 16,145.80, 24,210.60 and 7,370.80 is: 11,052.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,145.80 : 24,210.60 = 7,370.80 : x
  2. Step 2: Convert to fraction form
    16,145.80/24,210.60 = 7,370.80/x
  3. Step 3: Cross multiply
    16,145.80x = 24,210.60 × 7,370.80
  4. Step 4: Simplify right side
    16,145.80x = 178,451,490.48
  5. Step 5: Solve for x
    x = 178,451,490.48/16,145.80
  6. Step 6: Final answer
    x = 11,052.50

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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.