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Finding the Fourth Proportional to 57,091.48, 85,637.22 and 15,538.48

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Solution

The fourth proportional to 57,091.48, 85,637.22 and 15,538.48 is: 23,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,091.48 : 85,637.22 = 15,538.48 : x
  2. Step 2: Convert to fraction form
    57,091.48/85,637.22 = 15,538.48/x
  3. Step 3: Cross multiply
    57,091.48x = 85,637.22 × 15,538.48
  4. Step 4: Simplify right side
    57,091.48x = 1,330,672,230.23
  5. Step 5: Solve for x
    x = 1,330,672,230.23/57,091.48
  6. Step 6: Final answer
    x = 23,307.72

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Similar ratio
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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.