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Finding the Fourth Proportional to 66,958.02, 92,401.86 and 36,330.98

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Solution

The fourth proportional to 66,958.02, 92,401.86 and 36,330.98 is: 50,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,958.02 : 92,401.86 = 36,330.98 : x
  2. Step 2: Convert to fraction form
    66,958.02/92,401.86 = 36,330.98/x
  3. Step 3: Cross multiply
    66,958.02x = 92,401.86 × 36,330.98
  4. Step 4: Simplify right side
    66,958.02x = 3,357,050,127.62
  5. Step 5: Solve for x
    x = 3,357,050,127.62/66,958.02
  6. Step 6: Final answer
    x = 50,136.64

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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.