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Finding the Fourth Proportional to 10,992,354.70, 16,488,532.05 and 9,362,602.30

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Solution

The fourth proportional to 10,992,354.70, 16,488,532.05 and 9,362,602.30 is: 14,043,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,354.70 : 16,488,532.05 = 9,362,602.30 : x
  2. Step 2: Convert to fraction form
    10,992,354.70/16,488,532.05 = 9,362,602.30/x
  3. Step 3: Cross multiply
    10,992,354.70x = 16,488,532.05 × 9,362,602.30
  4. Step 4: Simplify right side
    10,992,354.70x = 154,375,568,094,953.72
  5. Step 5: Solve for x
    x = 154,375,568,094,953.72/10,992,354.70
  6. Step 6: Final answer
    x = 14,043,903.45

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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.