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Finding the Fourth Proportional to 65,958.40, 98,851.20 and 26,483.20

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Solution

The fourth proportional to 65,958.40, 98,851.20 and 26,483.20 is: 39,690.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,958.40 : 98,851.20 = 26,483.20 : x
  2. Step 2: Convert to fraction form
    65,958.40/98,851.20 = 26,483.20/x
  3. Step 3: Cross multiply
    65,958.40x = 98,851.20 × 26,483.20
  4. Step 4: Simplify right side
    65,958.40x = 2,617,896,099.84
  5. Step 5: Solve for x
    x = 2,617,896,099.84/65,958.40
  6. Step 6: Final answer
    x = 39,690.11

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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.