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Finding the Fourth Proportional to 5,295,455.92, 7,945,866.60 and 2,416,503.70

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Solution

The fourth proportional to 5,295,455.92, 7,945,866.60 and 2,416,503.70 is: 3,625,979.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295,455.92 : 7,945,866.60 = 2,416,503.70 : x
  2. Step 2: Convert to fraction form
    5,295,455.92/7,945,866.60 = 2,416,503.70/x
  3. Step 3: Cross multiply
    5,295,455.92x = 7,945,866.60 × 2,416,503.70
  4. Step 4: Simplify right side
    5,295,455.92x = 19,201,216,038,606.42
  5. Step 5: Solve for x
    x = 19,201,216,038,606.42/5,295,455.92
  6. Step 6: Final answer
    x = 3,625,979.77

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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.