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Finding the Fourth Proportional to 61,673.69, 85,118.03 and 36,186.23

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Solution

The fourth proportional to 61,673.69, 85,118.03 and 36,186.23 is: 49,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.69 : 85,118.03 = 36,186.23 : x
  2. Step 2: Convert to fraction form
    61,673.69/85,118.03 = 36,186.23/x
  3. Step 3: Cross multiply
    61,673.69x = 85,118.03 × 36,186.23
  4. Step 4: Simplify right side
    61,673.69x = 3,080,100,004.21
  5. Step 5: Solve for x
    x = 3,080,100,004.21/61,673.69
  6. Step 6: Final answer
    x = 49,941.88

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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.