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Finding the Fourth Proportional to 74,598.32, 102,945.68 and 41,064.32

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Solution

The fourth proportional to 74,598.32, 102,945.68 and 41,064.32 is: 56,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,598.32 : 102,945.68 = 41,064.32 : x
  2. Step 2: Convert to fraction form
    74,598.32/102,945.68 = 41,064.32/x
  3. Step 3: Cross multiply
    74,598.32x = 102,945.68 × 41,064.32
  4. Step 4: Simplify right side
    74,598.32x = 4,227,394,346.14
  5. Step 5: Solve for x
    x = 4,227,394,346.14/74,598.32
  6. Step 6: Final answer
    x = 56,668.76

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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.