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Finding the Fourth Proportional to 57,505.89, 79,276.12 and 44,736.64

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Solution

The fourth proportional to 57,505.89, 79,276.12 and 44,736.64 is: 61,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,505.89 : 79,276.12 = 44,736.64 : x
  2. Step 2: Convert to fraction form
    57,505.89/79,276.12 = 44,736.64/x
  3. Step 3: Cross multiply
    57,505.89x = 79,276.12 × 44,736.64
  4. Step 4: Simplify right side
    57,505.89x = 3,546,547,241.04
  5. Step 5: Solve for x
    x = 3,546,547,241.04/57,505.89
  6. Step 6: Final answer
    x = 61,672.77

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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.