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Finding the Fourth Proportional to 66,699.34, 100,023.90 and 27,235.33

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Solution

The fourth proportional to 66,699.34, 100,023.90 and 27,235.33 is: 40,842.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,699.34 : 100,023.90 = 27,235.33 : x
  2. Step 2: Convert to fraction form
    66,699.34/100,023.90 = 27,235.33/x
  3. Step 3: Cross multiply
    66,699.34x = 100,023.90 × 27,235.33
  4. Step 4: Simplify right side
    66,699.34x = 2,724,183,924.39
  5. Step 5: Solve for x
    x = 2,724,183,924.39/66,699.34
  6. Step 6: Final answer
    x = 40,842.74

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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.