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Finding the Fourth Proportional to 61,085.41, 91,605.60 and 21,094.22

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Solution

The fourth proportional to 61,085.41, 91,605.60 and 21,094.22 is: 31,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,085.41 : 91,605.60 = 21,094.22 : x
  2. Step 2: Convert to fraction form
    61,085.41/91,605.60 = 21,094.22/x
  3. Step 3: Cross multiply
    61,085.41x = 91,605.60 × 21,094.22
  4. Step 4: Simplify right side
    61,085.41x = 1,932,348,908.65
  5. Step 5: Solve for x
    x = 1,932,348,908.65/61,085.41
  6. Step 6: Final answer
    x = 31,633.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.