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Finding the Fourth Proportional to 29,999.66, 44,905.08 and 20,584.64

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Solution

The fourth proportional to 29,999.66, 44,905.08 and 20,584.64 is: 30,812.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,999.66 : 44,905.08 = 20,584.64 : x
  2. Step 2: Convert to fraction form
    29,999.66/44,905.08 = 20,584.64/x
  3. Step 3: Cross multiply
    29,999.66x = 44,905.08 × 20,584.64
  4. Step 4: Simplify right side
    29,999.66x = 924,354,905.97
  5. Step 5: Solve for x
    x = 924,354,905.97/29,999.66
  6. Step 6: Final answer
    x = 30,812.18

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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.