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Finding the Fourth Proportional to 65,980.72, 98,946.48 and 26,524.52

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Solution

The fourth proportional to 65,980.72, 98,946.48 and 26,524.52 is: 39,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.72 : 98,946.48 = 26,524.52 : x
  2. Step 2: Convert to fraction form
    65,980.72/98,946.48 = 26,524.52/x
  3. Step 3: Cross multiply
    65,980.72x = 98,946.48 × 26,524.52
  4. Step 4: Simplify right side
    65,980.72x = 2,624,507,887.69
  5. Step 5: Solve for x
    x = 2,624,507,887.69/65,980.72
  6. Step 6: Final answer
    x = 39,776.89

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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.