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Finding the Fourth Proportional to 63,703.14, 87,913.26 and 35,407.14

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Solution

The fourth proportional to 63,703.14, 87,913.26 and 35,407.14 is: 48,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,703.14 : 87,913.26 = 35,407.14 : x
  2. Step 2: Convert to fraction form
    63,703.14/87,913.26 = 35,407.14/x
  3. Step 3: Cross multiply
    63,703.14x = 87,913.26 × 35,407.14
  4. Step 4: Simplify right side
    63,703.14x = 3,112,757,104.68
  5. Step 5: Solve for x
    x = 3,112,757,104.68/63,703.14
  6. Step 6: Final answer
    x = 48,863.48

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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.