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Finding the Fourth Proportional to 44,505.60, 66,769.20 and 31,383.60

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Solution

The fourth proportional to 44,505.60, 66,769.20 and 31,383.60 is: 47,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,505.60 : 66,769.20 = 31,383.60 : x
  2. Step 2: Convert to fraction form
    44,505.60/66,769.20 = 31,383.60/x
  3. Step 3: Cross multiply
    44,505.60x = 66,769.20 × 31,383.60
  4. Step 4: Simplify right side
    44,505.60x = 2,095,457,865.12
  5. Step 5: Solve for x
    x = 2,095,457,865.12/44,505.60
  6. Step 6: Final answer
    x = 47,083.02

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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.