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Finding the Fourth Proportional to 66,476.32, 91,737.36 and 36,668.32

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Solution

The fourth proportional to 66,476.32, 91,737.36 and 36,668.32 is: 50,602.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476.32 : 91,737.36 = 36,668.32 : x
  2. Step 2: Convert to fraction form
    66,476.32/91,737.36 = 36,668.32/x
  3. Step 3: Cross multiply
    66,476.32x = 91,737.36 × 36,668.32
  4. Step 4: Simplify right side
    66,476.32x = 3,363,854,872.44
  5. Step 5: Solve for x
    x = 3,363,854,872.44/66,476.32
  6. Step 6: Final answer
    x = 50,602.30

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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.