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Finding the Fourth Proportional to 65,930.76, 98,897.76 and 19,184.04

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Solution

The fourth proportional to 65,930.76, 98,897.76 and 19,184.04 is: 28,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,930.76 : 98,897.76 = 19,184.04 : x
  2. Step 2: Convert to fraction form
    65,930.76/98,897.76 = 19,184.04/x
  3. Step 3: Cross multiply
    65,930.76x = 98,897.76 × 19,184.04
  4. Step 4: Simplify right side
    65,930.76x = 1,897,258,583.75
  5. Step 5: Solve for x
    x = 1,897,258,583.75/65,930.76
  6. Step 6: Final answer
    x = 28,776.53

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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.