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Finding the Fourth Proportional to 47,295.60, 65,310.12 and 45,054.96

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Solution

The fourth proportional to 47,295.60, 65,310.12 and 45,054.96 is: 62,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,295.60 : 65,310.12 = 45,054.96 : x
  2. Step 2: Convert to fraction form
    47,295.60/65,310.12 = 45,054.96/x
  3. Step 3: Cross multiply
    47,295.60x = 65,310.12 × 45,054.96
  4. Step 4: Simplify right side
    47,295.60x = 2,942,544,844.20
  5. Step 5: Solve for x
    x = 2,942,544,844.20/47,295.60
  6. Step 6: Final answer
    x = 62,216.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.