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Finding the Fourth Proportional to 44,561.86, 66,842.88 and 18,261.88

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Solution

The fourth proportional to 44,561.86, 66,842.88 and 18,261.88 is: 27,392.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,561.86 : 66,842.88 = 18,261.88 : x
  2. Step 2: Convert to fraction form
    44,561.86/66,842.88 = 18,261.88/x
  3. Step 3: Cross multiply
    44,561.86x = 66,842.88 × 18,261.88
  4. Step 4: Simplify right side
    44,561.86x = 1,220,676,653.41
  5. Step 5: Solve for x
    x = 1,220,676,653.41/44,561.86
  6. Step 6: Final answer
    x = 27,392.86

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1.5x scale

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.