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Finding the Fourth Proportional to 11,935.69, 17,903.54 and 4,538.44

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Solution

The fourth proportional to 11,935.69, 17,903.54 and 4,538.44 is: 6,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.69 : 17,903.54 = 4,538.44 : x
  2. Step 2: Convert to fraction form
    11,935.69/17,903.54 = 4,538.44/x
  3. Step 3: Cross multiply
    11,935.69x = 17,903.54 × 4,538.44
  4. Step 4: Simplify right side
    11,935.69x = 81,254,142.08
  5. Step 5: Solve for x
    x = 81,254,142.08/11,935.69
  6. Step 6: Final answer
    x = 6,807.66

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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.