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Finding the Fourth Proportional to 15,999.12, 23,999.04 and 4,906.08

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Solution

The fourth proportional to 15,999.12, 23,999.04 and 4,906.08 is: 7,359.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.12 : 23,999.04 = 4,906.08 : x
  2. Step 2: Convert to fraction form
    15,999.12/23,999.04 = 4,906.08/x
  3. Step 3: Cross multiply
    15,999.12x = 23,999.04 × 4,906.08
  4. Step 4: Simplify right side
    15,999.12x = 117,741,210.16
  5. Step 5: Solve for x
    x = 117,741,210.16/15,999.12
  6. Step 6: Final answer
    x = 7,359.23

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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.