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Finding the Fourth Proportional to 65,882.76, 98,922.54 and 64,898.64

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Solution

The fourth proportional to 65,882.76, 98,922.54 and 64,898.64 is: 97,444.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882.76 : 98,922.54 = 64,898.64 : x
  2. Step 2: Convert to fraction form
    65,882.76/98,922.54 = 64,898.64/x
  3. Step 3: Cross multiply
    65,882.76x = 98,922.54 × 64,898.64
  4. Step 4: Simplify right side
    65,882.76x = 6,419,938,311.35
  5. Step 5: Solve for x
    x = 6,419,938,311.35/65,882.76
  6. Step 6: Final answer
    x = 97,444.89

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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.