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Finding the Fourth Proportional to 65,373.98, 98,059.61 and 17,988.89

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Solution

The fourth proportional to 65,373.98, 98,059.61 and 17,988.89 is: 26,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373.98 : 98,059.61 = 17,988.89 : x
  2. Step 2: Convert to fraction form
    65,373.98/98,059.61 = 17,988.89/x
  3. Step 3: Cross multiply
    65,373.98x = 98,059.61 × 17,988.89
  4. Step 4: Simplify right side
    65,373.98x = 1,763,982,957.49
  5. Step 5: Solve for x
    x = 1,763,982,957.49/65,373.98
  6. Step 6: Final answer
    x = 26,982.95

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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.