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Finding the Fourth Proportional to 44,641.44, 66,964.56 and 13,475.88

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Solution

The fourth proportional to 44,641.44, 66,964.56 and 13,475.88 is: 20,214.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,641.44 : 66,964.56 = 13,475.88 : x
  2. Step 2: Convert to fraction form
    44,641.44/66,964.56 = 13,475.88/x
  3. Step 3: Cross multiply
    44,641.44x = 66,964.56 × 13,475.88
  4. Step 4: Simplify right side
    44,641.44x = 902,406,374.81
  5. Step 5: Solve for x
    x = 902,406,374.81/44,641.44
  6. Step 6: Final answer
    x = 20,214.54

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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.