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Finding the Fourth Proportional to 65,850.48, 98,750.88 and 21,466.80

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Solution

The fourth proportional to 65,850.48, 98,750.88 and 21,466.80 is: 32,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,850.48 : 98,750.88 = 21,466.80 : x
  2. Step 2: Convert to fraction form
    65,850.48/98,750.88 = 21,466.80/x
  3. Step 3: Cross multiply
    65,850.48x = 98,750.88 × 21,466.80
  4. Step 4: Simplify right side
    65,850.48x = 2,119,865,390.78
  5. Step 5: Solve for x
    x = 2,119,865,390.78/65,850.48
  6. Step 6: Final answer
    x = 32,192.10

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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.