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Finding the Fourth Proportional to 57,991.53, 80,066.86 and 44,538.74

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Solution

The fourth proportional to 57,991.53, 80,066.86 and 44,538.74 is: 61,493.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.53 : 80,066.86 = 44,538.74 : x
  2. Step 2: Convert to fraction form
    57,991.53/80,066.86 = 44,538.74/x
  3. Step 3: Cross multiply
    57,991.53x = 80,066.86 × 44,538.74
  4. Step 4: Simplify right side
    57,991.53x = 3,566,077,549.63
  5. Step 5: Solve for x
    x = 3,566,077,549.63/57,991.53
  6. Step 6: Final answer
    x = 61,493.08

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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.