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Finding the Fourth Proportional to 24,978.45, 34,430.24 and 16,909.56

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Solution

The fourth proportional to 24,978.45, 34,430.24 and 16,909.56 is: 23,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,978.45 : 34,430.24 = 16,909.56 : x
  2. Step 2: Convert to fraction form
    24,978.45/34,430.24 = 16,909.56/x
  3. Step 3: Cross multiply
    24,978.45x = 34,430.24 × 16,909.56
  4. Step 4: Simplify right side
    24,978.45x = 582,200,209.09
  5. Step 5: Solve for x
    x = 582,200,209.09/24,978.45
  6. Step 6: Final answer
    x = 23,308.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.