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Finding the Fourth Proportional to 66,804.01, 92,186.25 and 36,589.47

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Solution

The fourth proportional to 66,804.01, 92,186.25 and 36,589.47 is: 50,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,804.01 : 92,186.25 = 36,589.47 : x
  2. Step 2: Convert to fraction form
    66,804.01/92,186.25 = 36,589.47/x
  3. Step 3: Cross multiply
    66,804.01x = 92,186.25 × 36,589.47
  4. Step 4: Simplify right side
    66,804.01x = 3,373,046,028.79
  5. Step 5: Solve for x
    x = 3,373,046,028.79/66,804.01
  6. Step 6: Final answer
    x = 50,491.67

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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.