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Finding the Fourth Proportional to 66,810.74, 92,195.22 and 36,590.33

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Solution

The fourth proportional to 66,810.74, 92,195.22 and 36,590.33 is: 50,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,810.74 : 92,195.22 = 36,590.33 : x
  2. Step 2: Convert to fraction form
    66,810.74/92,195.22 = 36,590.33/x
  3. Step 3: Cross multiply
    66,810.74x = 92,195.22 × 36,590.33
  4. Step 4: Simplify right side
    66,810.74x = 3,373,453,524.22
  5. Step 5: Solve for x
    x = 3,373,453,524.22/66,810.74
  6. Step 6: Final answer
    x = 50,492.68

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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.