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Finding the Fourth Proportional to 65,813.63, 98,720.44 and 16,565.63

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Solution

The fourth proportional to 65,813.63, 98,720.44 and 16,565.63 is: 24,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,813.63 : 98,720.44 = 16,565.63 : x
  2. Step 2: Convert to fraction form
    65,813.63/98,720.44 = 16,565.63/x
  3. Step 3: Cross multiply
    65,813.63x = 98,720.44 × 16,565.63
  4. Step 4: Simplify right side
    65,813.63x = 1,635,365,747.46
  5. Step 5: Solve for x
    x = 1,635,365,747.46/65,813.63
  6. Step 6: Final answer
    x = 24,848.44

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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.