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Finding the Fourth Proportional to 65,564.64, 98,324.64 and 26,111.04

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Solution

The fourth proportional to 65,564.64, 98,324.64 and 26,111.04 is: 39,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.64 : 98,324.64 = 26,111.04 : x
  2. Step 2: Convert to fraction form
    65,564.64/98,324.64 = 26,111.04/x
  3. Step 3: Cross multiply
    65,564.64x = 98,324.64 × 26,111.04
  4. Step 4: Simplify right side
    65,564.64x = 2,567,358,608.03
  5. Step 5: Solve for x
    x = 2,567,358,608.03/65,564.64
  6. Step 6: Final answer
    x = 39,157.67

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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.