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Finding the Fourth Proportional to 66,302.20, 99,526.20 and 36,704.80

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Solution

The fourth proportional to 66,302.20, 99,526.20 and 36,704.80 is: 55,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,302.20 : 99,526.20 = 36,704.80 : x
  2. Step 2: Convert to fraction form
    66,302.20/99,526.20 = 36,704.80/x
  3. Step 3: Cross multiply
    66,302.20x = 99,526.20 × 36,704.80
  4. Step 4: Simplify right side
    66,302.20x = 3,653,089,265.76
  5. Step 5: Solve for x
    x = 3,653,089,265.76/66,302.20
  6. Step 6: Final answer
    x = 55,097.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.