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Finding the Fourth Proportional to 61,674.21, 85,111.97 and 37,814.04

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Solution

The fourth proportional to 61,674.21, 85,111.97 and 37,814.04 is: 52,184.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,674.21 : 85,111.97 = 37,814.04 : x
  2. Step 2: Convert to fraction form
    61,674.21/85,111.97 = 37,814.04/x
  3. Step 3: Cross multiply
    61,674.21x = 85,111.97 × 37,814.04
  4. Step 4: Simplify right side
    61,674.21x = 3,218,427,248.99
  5. Step 5: Solve for x
    x = 3,218,427,248.99/61,674.21
  6. Step 6: Final answer
    x = 52,184.33

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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.