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Finding the Fourth Proportional to 61,608.48, 85,032.97 and 38,933.07

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Solution

The fourth proportional to 61,608.48, 85,032.97 and 38,933.07 is: 53,736.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,608.48 : 85,032.97 = 38,933.07 : x
  2. Step 2: Convert to fraction form
    61,608.48/85,032.97 = 38,933.07/x
  3. Step 3: Cross multiply
    61,608.48x = 85,032.97 × 38,933.07
  4. Step 4: Simplify right side
    61,608.48x = 3,310,594,475.99
  5. Step 5: Solve for x
    x = 3,310,594,475.99/61,608.48
  6. Step 6: Final answer
    x = 53,736.02

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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.