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Finding the Fourth Proportional to 36,905,609.40, 55,358,414.10 and 36,905,609.40

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Solution

The fourth proportional to 36,905,609.40, 55,358,414.10 and 36,905,609.40 is: 55,358,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,905,609.40 : 55,358,414.10 = 36,905,609.40 : x
  2. Step 2: Convert to fraction form
    36,905,609.40/55,358,414.10 = 36,905,609.40/x
  3. Step 3: Cross multiply
    36,905,609.40x = 55,358,414.10 × 36,905,609.40
  4. Step 4: Simplify right side
    36,905,609.40x = 2,043,036,007,778,052.50
  5. Step 5: Solve for x
    x = 2,043,036,007,778,052.50/36,905,609.40
  6. Step 6: Final answer
    x = 55,358,414.10

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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.