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Finding the Fourth Proportional to 66,333.60, 91,539.28 and 36,525.60

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Solution

The fourth proportional to 66,333.60, 91,539.28 and 36,525.60 is: 50,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,333.60 : 91,539.28 = 36,525.60 : x
  2. Step 2: Convert to fraction form
    66,333.60/91,539.28 = 36,525.60/x
  3. Step 3: Cross multiply
    66,333.60x = 91,539.28 × 36,525.60
  4. Step 4: Simplify right side
    66,333.60x = 3,343,527,125.57
  5. Step 5: Solve for x
    x = 3,343,527,125.57/66,333.60
  6. Step 6: Final answer
    x = 50,404.73

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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.