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Finding the Fourth Proportional to 63,642.56, 95,463.86 and 19,269.23

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Solution

The fourth proportional to 63,642.56, 95,463.86 and 19,269.23 is: 28,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.56 : 95,463.86 = 19,269.23 : x
  2. Step 2: Convert to fraction form
    63,642.56/95,463.86 = 19,269.23/x
  3. Step 3: Cross multiply
    63,642.56x = 95,463.86 × 19,269.23
  4. Step 4: Simplify right side
    63,642.56x = 1,839,514,501.36
  5. Step 5: Solve for x
    x = 1,839,514,501.36/63,642.56
  6. Step 6: Final answer
    x = 28,903.84

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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.