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Finding the Fourth Proportional to 66,818.80, 92,210.04 and 37,010.80

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Solution

The fourth proportional to 66,818.80, 92,210.04 and 37,010.80 is: 51,074.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,818.80 : 92,210.04 = 37,010.80 : x
  2. Step 2: Convert to fraction form
    66,818.80/92,210.04 = 37,010.80/x
  3. Step 3: Cross multiply
    66,818.80x = 92,210.04 × 37,010.80
  4. Step 4: Simplify right side
    66,818.80x = 3,412,767,348.43
  5. Step 5: Solve for x
    x = 3,412,767,348.43/66,818.80
  6. Step 6: Final answer
    x = 51,074.96

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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.