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Finding the Fourth Proportional to 53,245.28, 73,478.28 and 29,373.44

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Solution

The fourth proportional to 53,245.28, 73,478.28 and 29,373.44 is: 40,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,245.28 : 73,478.28 = 29,373.44 : x
  2. Step 2: Convert to fraction form
    53,245.28/73,478.28 = 29,373.44/x
  3. Step 3: Cross multiply
    53,245.28x = 73,478.28 × 29,373.44
  4. Step 4: Simplify right side
    53,245.28x = 2,158,309,848.88
  5. Step 5: Solve for x
    x = 2,158,309,848.88/53,245.28
  6. Step 6: Final answer
    x = 40,535.23

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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.