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Finding the Fourth Proportional to 73,648.63, 101,636.30 and 41,818.39

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Solution

The fourth proportional to 73,648.63, 101,636.30 and 41,818.39 is: 57,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,648.63 : 101,636.30 = 41,818.39 : x
  2. Step 2: Convert to fraction form
    73,648.63/101,636.30 = 41,818.39/x
  3. Step 3: Cross multiply
    73,648.63x = 101,636.30 × 41,818.39
  4. Step 4: Simplify right side
    73,648.63x = 4,250,266,431.56
  5. Step 5: Solve for x
    x = 4,250,266,431.56/73,648.63
  6. Step 6: Final answer
    x = 57,710.05

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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.