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Finding the Fourth Proportional to 11,165,497.60, 15,663,583.10 and 11,165,497.60

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Solution

The fourth proportional to 11,165,497.60, 15,663,583.10 and 11,165,497.60 is: 15,663,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165,497.60 : 15,663,583.10 = 11,165,497.60 : x
  2. Step 2: Convert to fraction form
    11,165,497.60/15,663,583.10 = 11,165,497.60/x
  3. Step 3: Cross multiply
    11,165,497.60x = 15,663,583.10 × 11,165,497.60
  4. Step 4: Simplify right side
    11,165,497.60x = 174,891,699,510,450.56
  5. Step 5: Solve for x
    x = 174,891,699,510,450.56/11,165,497.60
  6. Step 6: Final answer
    x = 15,663,583.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.