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Finding the Fourth Proportional to 63,921.51, 88,207.68 and 35,239.68

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Solution

The fourth proportional to 63,921.51, 88,207.68 and 35,239.68 is: 48,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,921.51 : 88,207.68 = 35,239.68 : x
  2. Step 2: Convert to fraction form
    63,921.51/88,207.68 = 35,239.68/x
  3. Step 3: Cross multiply
    63,921.51x = 88,207.68 × 35,239.68
  4. Step 4: Simplify right side
    63,921.51x = 3,108,410,548.89
  5. Step 5: Solve for x
    x = 3,108,410,548.89/63,921.51
  6. Step 6: Final answer
    x = 48,628.55

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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.