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Finding the Fourth Proportional to 16,659.36, 24,999.84 and 7,904.16

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Solution

The fourth proportional to 16,659.36, 24,999.84 and 7,904.16 is: 11,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,659.36 : 24,999.84 = 7,904.16 : x
  2. Step 2: Convert to fraction form
    16,659.36/24,999.84 = 7,904.16/x
  3. Step 3: Cross multiply
    16,659.36x = 24,999.84 × 7,904.16
  4. Step 4: Simplify right side
    16,659.36x = 197,602,735.33
  5. Step 5: Solve for x
    x = 197,602,735.33/16,659.36
  6. Step 6: Final answer
    x = 11,861.36

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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.