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Finding the Fourth Proportional to 53,800.80, 74,244.96 and 29,928.96

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Solution

The fourth proportional to 53,800.80, 74,244.96 and 29,928.96 is: 41,301.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.80 : 74,244.96 = 29,928.96 : x
  2. Step 2: Convert to fraction form
    53,800.80/74,244.96 = 29,928.96/x
  3. Step 3: Cross multiply
    53,800.80x = 74,244.96 × 29,928.96
  4. Step 4: Simplify right side
    53,800.80x = 2,222,074,438.04
  5. Step 5: Solve for x
    x = 2,222,074,438.04/53,800.80
  6. Step 6: Final answer
    x = 41,301.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.