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Finding the Fourth Proportional to 35,953, 53,940.14 and 18,435.12

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Solution

The fourth proportional to 35,953, 53,940.14 and 18,435.12 is: 27,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,953 : 53,940.14 = 18,435.12 : x
  2. Step 2: Convert to fraction form
    35,953/53,940.14 = 18,435.12/x
  3. Step 3: Cross multiply
    35,953x = 53,940.14 × 18,435.12
  4. Step 4: Simplify right side
    35,953x = 994,392,953.72
  5. Step 5: Solve for x
    x = 994,392,953.72/35,953
  6. Step 6: Final answer
    x = 27,658.14

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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.