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Finding the Fourth Proportional to 63,084.66, 87,062.94 and 47,141.40

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Solution

The fourth proportional to 63,084.66, 87,062.94 and 47,141.40 is: 65,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,084.66 : 87,062.94 = 47,141.40 : x
  2. Step 2: Convert to fraction form
    63,084.66/87,062.94 = 47,141.40/x
  3. Step 3: Cross multiply
    63,084.66x = 87,062.94 × 47,141.40
  4. Step 4: Simplify right side
    63,084.66x = 4,104,268,879.72
  5. Step 5: Solve for x
    x = 4,104,268,879.72/63,084.66
  6. Step 6: Final answer
    x = 65,059.70

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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.