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Finding the Fourth Proportional to 67,293.24, 100,954.63 and 19,904.63

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Solution

The fourth proportional to 67,293.24, 100,954.63 and 19,904.63 is: 29,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,293.24 : 100,954.63 = 19,904.63 : x
  2. Step 2: Convert to fraction form
    67,293.24/100,954.63 = 19,904.63/x
  3. Step 3: Cross multiply
    67,293.24x = 100,954.63 × 19,904.63
  4. Step 4: Simplify right side
    67,293.24x = 2,009,464,052.16
  5. Step 5: Solve for x
    x = 2,009,464,052.16/67,293.24
  6. Step 6: Final answer
    x = 29,861.31

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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.