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Finding the Fourth Proportional to 62,279.88, 85,946.23 and 37,129.38

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Solution

The fourth proportional to 62,279.88, 85,946.23 and 37,129.38 is: 51,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,279.88 : 85,946.23 = 37,129.38 : x
  2. Step 2: Convert to fraction form
    62,279.88/85,946.23 = 37,129.38/x
  3. Step 3: Cross multiply
    62,279.88x = 85,946.23 × 37,129.38
  4. Step 4: Simplify right side
    62,279.88x = 3,191,130,233.24
  5. Step 5: Solve for x
    x = 3,191,130,233.24/62,279.88
  6. Step 6: Final answer
    x = 51,238.54

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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.