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Finding the Fourth Proportional to 10,671,203.10, 16,006,804.65 and 9,789,404.70

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Solution

The fourth proportional to 10,671,203.10, 16,006,804.65 and 9,789,404.70 is: 14,684,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671,203.10 : 16,006,804.65 = 9,789,404.70 : x
  2. Step 2: Convert to fraction form
    10,671,203.10/16,006,804.65 = 9,789,404.70/x
  3. Step 3: Cross multiply
    10,671,203.10x = 16,006,804.65 × 9,789,404.70
  4. Step 4: Simplify right side
    10,671,203.10x = 156,697,088,672,691.84
  5. Step 5: Solve for x
    x = 156,697,088,672,691.84/10,671,203.10
  6. Step 6: Final answer
    x = 14,684,107.05

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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.