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Finding the Fourth Proportional to 66,946.88, 92,387.68 and 36,735.20

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Solution

The fourth proportional to 66,946.88, 92,387.68 and 36,735.20 is: 50,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,946.88 : 92,387.68 = 36,735.20 : x
  2. Step 2: Convert to fraction form
    66,946.88/92,387.68 = 36,735.20/x
  3. Step 3: Cross multiply
    66,946.88x = 92,387.68 × 36,735.20
  4. Step 4: Simplify right side
    66,946.88x = 3,393,879,902.34
  5. Step 5: Solve for x
    x = 3,393,879,902.34/66,946.88
  6. Step 6: Final answer
    x = 50,695.12

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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.