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Finding the Fourth Proportional to 66,715.44, 92,066.04 and 36,907.44

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Solution

The fourth proportional to 66,715.44, 92,066.04 and 36,907.44 is: 50,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,715.44 : 92,066.04 = 36,907.44 : x
  2. Step 2: Convert to fraction form
    66,715.44/92,066.04 = 36,907.44/x
  3. Step 3: Cross multiply
    66,715.44x = 92,066.04 × 36,907.44
  4. Step 4: Simplify right side
    66,715.44x = 3,397,921,847.34
  5. Step 5: Solve for x
    x = 3,397,921,847.34/66,715.44
  6. Step 6: Final answer
    x = 50,931.57

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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.