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Finding the Fourth Proportional to 62,181, 85,813.43 and 35,324.64

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Solution

The fourth proportional to 62,181, 85,813.43 and 35,324.64 is: 48,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,181 : 85,813.43 = 35,324.64 : x
  2. Step 2: Convert to fraction form
    62,181/85,813.43 = 35,324.64/x
  3. Step 3: Cross multiply
    62,181x = 85,813.43 × 35,324.64
  4. Step 4: Simplify right side
    62,181x = 3,031,328,345.29
  5. Step 5: Solve for x
    x = 3,031,328,345.29/62,181
  6. Step 6: Final answer
    x = 48,750.07

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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.