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Finding the Fourth Proportional to 66,810.87, 92,198.96 and 36,598.07

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Solution

The fourth proportional to 66,810.87, 92,198.96 and 36,598.07 is: 50,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,810.87 : 92,198.96 = 36,598.07 : x
  2. Step 2: Convert to fraction form
    66,810.87/92,198.96 = 36,598.07/x
  3. Step 3: Cross multiply
    66,810.87x = 92,198.96 × 36,598.07
  4. Step 4: Simplify right side
    66,810.87x = 3,374,303,348.02
  5. Step 5: Solve for x
    x = 3,374,303,348.02/66,810.87
  6. Step 6: Final answer
    x = 50,505.30

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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.