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Finding the Fourth Proportional to 62,279.58, 85,948.23 and 35,424.54

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Solution

The fourth proportional to 62,279.58, 85,948.23 and 35,424.54 is: 48,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,279.58 : 85,948.23 = 35,424.54 : x
  2. Step 2: Convert to fraction form
    62,279.58/85,948.23 = 35,424.54/x
  3. Step 3: Cross multiply
    62,279.58x = 85,948.23 × 35,424.54
  4. Step 4: Simplify right side
    62,279.58x = 3,044,676,511.56
  5. Step 5: Solve for x
    x = 3,044,676,511.56/62,279.58
  6. Step 6: Final answer
    x = 48,887.24

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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.