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Finding the Fourth Proportional to 61,475.67, 84,842.79 and 37,618.20

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Solution

The fourth proportional to 61,475.67, 84,842.79 and 37,618.20 is: 51,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,475.67 : 84,842.79 = 37,618.20 : x
  2. Step 2: Convert to fraction form
    61,475.67/84,842.79 = 37,618.20/x
  3. Step 3: Cross multiply
    61,475.67x = 84,842.79 × 37,618.20
  4. Step 4: Simplify right side
    61,475.67x = 3,191,633,042.78
  5. Step 5: Solve for x
    x = 3,191,633,042.78/61,475.67
  6. Step 6: Final answer
    x = 51,917.01

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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.