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Finding the Fourth Proportional to 66,793.50, 92,175.03 and 36,985.50

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Solution

The fourth proportional to 66,793.50, 92,175.03 and 36,985.50 is: 51,039.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,793.50 : 92,175.03 = 36,985.50 : x
  2. Step 2: Convert to fraction form
    66,793.50/92,175.03 = 36,985.50/x
  3. Step 3: Cross multiply
    66,793.50x = 92,175.03 × 36,985.50
  4. Step 4: Simplify right side
    66,793.50x = 3,409,139,572.07
  5. Step 5: Solve for x
    x = 3,409,139,572.07/66,793.50
  6. Step 6: Final answer
    x = 51,039.99

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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.