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Finding the Fourth Proportional to 46,588.63, 69,893.88 and 15,423.88

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Solution

The fourth proportional to 46,588.63, 69,893.88 and 15,423.88 is: 23,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,588.63 : 69,893.88 = 15,423.88 : x
  2. Step 2: Convert to fraction form
    46,588.63/69,893.88 = 15,423.88/x
  3. Step 3: Cross multiply
    46,588.63x = 69,893.88 × 15,423.88
  4. Step 4: Simplify right side
    46,588.63x = 1,078,034,391.27
  5. Step 5: Solve for x
    x = 1,078,034,391.27/46,588.63
  6. Step 6: Final answer
    x = 23,139.43

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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.