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Finding the Fourth Proportional to 66,703.17, 92,052.58 and 36,487.80

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Solution

The fourth proportional to 66,703.17, 92,052.58 and 36,487.80 is: 50,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,703.17 : 92,052.58 = 36,487.80 : x
  2. Step 2: Convert to fraction form
    66,703.17/92,052.58 = 36,487.80/x
  3. Step 3: Cross multiply
    66,703.17x = 92,052.58 × 36,487.80
  4. Step 4: Simplify right side
    66,703.17x = 3,358,795,946.09
  5. Step 5: Solve for x
    x = 3,358,795,946.09/66,703.17
  6. Step 6: Final answer
    x = 50,354.37

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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.