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Finding the Fourth Proportional to 16,668,834.60, 24,963,930.30 and 10,298,735.40

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Solution

The fourth proportional to 16,668,834.60, 24,963,930.30 and 10,298,735.40 is: 15,423,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668,834.60 : 24,963,930.30 = 10,298,735.40 : x
  2. Step 2: Convert to fraction form
    16,668,834.60/24,963,930.30 = 10,298,735.40/x
  3. Step 3: Cross multiply
    16,668,834.60x = 24,963,930.30 × 10,298,735.40
  4. Step 4: Simplify right side
    16,668,834.60x = 257,096,912,703,742.62
  5. Step 5: Solve for x
    x = 257,096,912,703,742.62/16,668,834.60
  6. Step 6: Final answer
    x = 15,423,808.49

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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.