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Finding the Fourth Proportional to 57,172.32, 85,758.48 and 26,016.48

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Solution

The fourth proportional to 57,172.32, 85,758.48 and 26,016.48 is: 39,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.32 : 85,758.48 = 26,016.48 : x
  2. Step 2: Convert to fraction form
    57,172.32/85,758.48 = 26,016.48/x
  3. Step 3: Cross multiply
    57,172.32x = 85,758.48 × 26,016.48
  4. Step 4: Simplify right side
    57,172.32x = 2,231,133,779.75
  5. Step 5: Solve for x
    x = 2,231,133,779.75/57,172.32
  6. Step 6: Final answer
    x = 39,024.72

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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.