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Finding the Fourth Proportional to 47,304.63, 70,963.76 and 15,703.97

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Solution

The fourth proportional to 47,304.63, 70,963.76 and 15,703.97 is: 23,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,304.63 : 70,963.76 = 15,703.97 : x
  2. Step 2: Convert to fraction form
    47,304.63/70,963.76 = 15,703.97/x
  3. Step 3: Cross multiply
    47,304.63x = 70,963.76 × 15,703.97
  4. Step 4: Simplify right side
    47,304.63x = 1,114,412,442.57
  5. Step 5: Solve for x
    x = 1,114,412,442.57/47,304.63
  6. Step 6: Final answer
    x = 23,558.21

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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.