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Finding the Fourth Proportional to 35,802.96, 53,704.44 and 13,611.12

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Solution

The fourth proportional to 35,802.96, 53,704.44 and 13,611.12 is: 20,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,802.96 : 53,704.44 = 13,611.12 : x
  2. Step 2: Convert to fraction form
    35,802.96/53,704.44 = 13,611.12/x
  3. Step 3: Cross multiply
    35,802.96x = 53,704.44 × 13,611.12
  4. Step 4: Simplify right side
    35,802.96x = 730,977,577.37
  5. Step 5: Solve for x
    x = 730,977,577.37/35,802.96
  6. Step 6: Final answer
    x = 20,416.68

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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.