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Finding the Fourth Proportional to 66,740.82, 92,101.09 and 36,525.53

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Solution

The fourth proportional to 66,740.82, 92,101.09 and 36,525.53 is: 50,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,740.82 : 92,101.09 = 36,525.53 : x
  2. Step 2: Convert to fraction form
    66,740.82/92,101.09 = 36,525.53/x
  3. Step 3: Cross multiply
    66,740.82x = 92,101.09 × 36,525.53
  4. Step 4: Simplify right side
    66,740.82x = 3,364,041,125.83
  5. Step 5: Solve for x
    x = 3,364,041,125.83/66,740.82
  6. Step 6: Final answer
    x = 50,404.55

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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.