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Finding the Fourth Proportional to 66,165.32, 91,307.76 and 35,950.44

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Solution

The fourth proportional to 66,165.32, 91,307.76 and 35,950.44 is: 49,611.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,165.32 : 91,307.76 = 35,950.44 : x
  2. Step 2: Convert to fraction form
    66,165.32/91,307.76 = 35,950.44/x
  3. Step 3: Cross multiply
    66,165.32x = 91,307.76 × 35,950.44
  4. Step 4: Simplify right side
    66,165.32x = 3,282,554,147.41
  5. Step 5: Solve for x
    x = 3,282,554,147.41/66,165.32
  6. Step 6: Final answer
    x = 49,611.40

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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.