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Finding the Fourth Proportional to 53,252.92, 79,865.68 and 15,804.12

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Solution

The fourth proportional to 53,252.92, 79,865.68 and 15,804.12 is: 23,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,252.92 : 79,865.68 = 15,804.12 : x
  2. Step 2: Convert to fraction form
    53,252.92/79,865.68 = 15,804.12/x
  3. Step 3: Cross multiply
    53,252.92x = 79,865.68 × 15,804.12
  4. Step 4: Simplify right side
    53,252.92x = 1,262,206,790.60
  5. Step 5: Solve for x
    x = 1,262,206,790.60/53,252.92
  6. Step 6: Final answer
    x = 23,702.11

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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.