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Finding the Fourth Proportional to 61,675.53, 85,085.69 and 36,189.69

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Solution

The fourth proportional to 61,675.53, 85,085.69 and 36,189.69 is: 49,926.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,675.53 : 85,085.69 = 36,189.69 : x
  2. Step 2: Convert to fraction form
    61,675.53/85,085.69 = 36,189.69/x
  3. Step 3: Cross multiply
    61,675.53x = 85,085.69 × 36,189.69
  4. Step 4: Simplify right side
    61,675.53x = 3,079,224,448.08
  5. Step 5: Solve for x
    x = 3,079,224,448.08/61,675.53
  6. Step 6: Final answer
    x = 49,926.20

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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.