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Finding the Fourth Proportional to 65,812.89, 98,731.64 and 26,373.08

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Solution

The fourth proportional to 65,812.89, 98,731.64 and 26,373.08 is: 39,564.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,812.89 : 98,731.64 = 26,373.08 : x
  2. Step 2: Convert to fraction form
    65,812.89/98,731.64 = 26,373.08/x
  3. Step 3: Cross multiply
    65,812.89x = 98,731.64 × 26,373.08
  4. Step 4: Simplify right side
    65,812.89x = 2,603,857,440.25
  5. Step 5: Solve for x
    x = 2,603,857,440.25/65,812.89
  6. Step 6: Final answer
    x = 39,564.55

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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.