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Finding the Fourth Proportional to 35,983.98, 53,975.98 and 12,610.42

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Solution

The fourth proportional to 35,983.98, 53,975.98 and 12,610.42 is: 18,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,983.98 : 53,975.98 = 12,610.42 : x
  2. Step 2: Convert to fraction form
    35,983.98/53,975.98 = 12,610.42/x
  3. Step 3: Cross multiply
    35,983.98x = 53,975.98 × 12,610.42
  4. Step 4: Simplify right side
    35,983.98x = 680,659,777.71
  5. Step 5: Solve for x
    x = 680,659,777.71/35,983.98
  6. Step 6: Final answer
    x = 18,915.63

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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.