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Finding the Fourth Proportional to 35,968.62, 53,953.44 and 13,783.12

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Solution

The fourth proportional to 35,968.62, 53,953.44 and 13,783.12 is: 20,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,968.62 : 53,953.44 = 13,783.12 : x
  2. Step 2: Convert to fraction form
    35,968.62/53,953.44 = 13,783.12/x
  3. Step 3: Cross multiply
    35,968.62x = 53,953.44 × 13,783.12
  4. Step 4: Simplify right side
    35,968.62x = 743,646,737.93
  5. Step 5: Solve for x
    x = 743,646,737.93/35,968.62
  6. Step 6: Final answer
    x = 20,674.88

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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.