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Finding the Fourth Proportional to 9,425.73, 14,133.76 and 4,985.79

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Solution

The fourth proportional to 9,425.73, 14,133.76 and 4,985.79 is: 7,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,425.73 : 14,133.76 = 4,985.79 : x
  2. Step 2: Convert to fraction form
    9,425.73/14,133.76 = 4,985.79/x
  3. Step 3: Cross multiply
    9,425.73x = 14,133.76 × 4,985.79
  4. Step 4: Simplify right side
    9,425.73x = 70,467,893.80
  5. Step 5: Solve for x
    x = 70,467,893.80/9,425.73
  6. Step 6: Final answer
    x = 7,476.12

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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.