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Finding the Fourth Proportional to 16,658,880.40, 24,969,658.20 and 9,473,856.40

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Solution

The fourth proportional to 16,658,880.40, 24,969,658.20 and 9,473,856.40 is: 14,200,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658,880.40 : 24,969,658.20 = 9,473,856.40 : x
  2. Step 2: Convert to fraction form
    16,658,880.40/24,969,658.20 = 9,473,856.40/x
  3. Step 3: Cross multiply
    16,658,880.40x = 24,969,658.20 × 9,473,856.40
  4. Step 4: Simplify right side
    16,658,880.40x = 236,558,956,143,882.47
  5. Step 5: Solve for x
    x = 236,558,956,143,882.47/16,658,880.40
  6. Step 6: Final answer
    x = 14,200,171.35

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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.