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Finding the Fourth Proportional to 83,703.44, 115,453.42 and 53,475.39

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Solution

The fourth proportional to 83,703.44, 115,453.42 and 53,475.39 is: 73,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.44 : 115,453.42 = 53,475.39 : x
  2. Step 2: Convert to fraction form
    83,703.44/115,453.42 = 53,475.39/x
  3. Step 3: Cross multiply
    83,703.44x = 115,453.42 × 53,475.39
  4. Step 4: Simplify right side
    83,703.44x = 6,173,916,527.65
  5. Step 5: Solve for x
    x = 6,173,916,527.65/83,703.44
  6. Step 6: Final answer
    x = 73,759.41

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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.