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Finding the Fourth Proportional to 11,209,445.30, 16,787,595.90 and 11,209,445.30

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Solution

The fourth proportional to 11,209,445.30, 16,787,595.90 and 11,209,445.30 is: 16,787,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,209,445.30 : 16,787,595.90 = 11,209,445.30 : x
  2. Step 2: Convert to fraction form
    11,209,445.30/16,787,595.90 = 11,209,445.30/x
  3. Step 3: Cross multiply
    11,209,445.30x = 16,787,595.90 × 11,209,445.30
  4. Step 4: Simplify right side
    11,209,445.30x = 188,179,637,959,554.28
  5. Step 5: Solve for x
    x = 188,179,637,959,554.28/11,209,445.30
  6. Step 6: Final answer
    x = 16,787,595.90

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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.