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Finding the Fourth Proportional to 66,740.70, 92,100.92 and 36,525.40

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Solution

The fourth proportional to 66,740.70, 92,100.92 and 36,525.40 is: 50,404.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.70 : 92,100.92 = 36,525.40 : x
  2. Step 2: Convert to fraction form
    66,740.70/92,100.92 = 36,525.40/x
  3. Step 3: Cross multiply
    66,740.70x = 92,100.92 × 36,525.40
  4. Step 4: Simplify right side
    66,740.70x = 3,364,022,943.37
  5. Step 5: Solve for x
    x = 3,364,022,943.37/66,740.70
  6. Step 6: Final answer
    x = 50,404.37

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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.