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Finding the Fourth Proportional to 16,154.40, 24,228.40 and 7,834.40

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Solution

The fourth proportional to 16,154.40, 24,228.40 and 7,834.40 is: 11,750.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,154.40 : 24,228.40 = 7,834.40 : x
  2. Step 2: Convert to fraction form
    16,154.40/24,228.40 = 7,834.40/x
  3. Step 3: Cross multiply
    16,154.40x = 24,228.40 × 7,834.40
  4. Step 4: Simplify right side
    16,154.40x = 189,814,976.96
  5. Step 5: Solve for x
    x = 189,814,976.96/16,154.40
  6. Step 6: Final answer
    x = 11,750.05

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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.