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Finding the Fourth Proportional to 35,935.30, 53,902.95 and 27,187.30

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Solution

The fourth proportional to 35,935.30, 53,902.95 and 27,187.30 is: 40,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,935.30 : 53,902.95 = 27,187.30 : x
  2. Step 2: Convert to fraction form
    35,935.30/53,902.95 = 27,187.30/x
  3. Step 3: Cross multiply
    35,935.30x = 53,902.95 × 27,187.30
  4. Step 4: Simplify right side
    35,935.30x = 1,465,475,672.54
  5. Step 5: Solve for x
    x = 1,465,475,672.54/35,935.30
  6. Step 6: Final answer
    x = 40,780.95

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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.