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Finding the Fourth Proportional to 61,525.67, 84,911.78 and 37,668.20

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Solution

The fourth proportional to 61,525.67, 84,911.78 and 37,668.20 is: 51,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,525.67 : 84,911.78 = 37,668.20 : x
  2. Step 2: Convert to fraction form
    61,525.67/84,911.78 = 37,668.20/x
  3. Step 3: Cross multiply
    61,525.67x = 84,911.78 × 37,668.20
  4. Step 4: Simplify right side
    61,525.67x = 3,198,473,723.06
  5. Step 5: Solve for x
    x = 3,198,473,723.06/61,525.67
  6. Step 6: Final answer
    x = 51,986.00

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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.