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Finding the Fourth Proportional to 63,241.51, 87,269.85 and 34,945.38

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Solution

The fourth proportional to 63,241.51, 87,269.85 and 34,945.38 is: 48,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,241.51 : 87,269.85 = 34,945.38 : x
  2. Step 2: Convert to fraction form
    63,241.51/87,269.85 = 34,945.38/x
  3. Step 3: Cross multiply
    63,241.51x = 87,269.85 × 34,945.38
  4. Step 4: Simplify right side
    63,241.51x = 3,049,678,070.79
  5. Step 5: Solve for x
    x = 3,049,678,070.79/63,241.51
  6. Step 6: Final answer
    x = 48,222.73

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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.