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Finding the Fourth Proportional to 47,289.79, 70,936.17 and 17,701.98

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Solution

The fourth proportional to 47,289.79, 70,936.17 and 17,701.98 is: 26,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.79 : 70,936.17 = 17,701.98 : x
  2. Step 2: Convert to fraction form
    47,289.79/70,936.17 = 17,701.98/x
  3. Step 3: Cross multiply
    47,289.79x = 70,936.17 × 17,701.98
  4. Step 4: Simplify right side
    47,289.79x = 1,255,710,307.94
  5. Step 5: Solve for x
    x = 1,255,710,307.94/47,289.79
  6. Step 6: Final answer
    x = 26,553.52

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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.