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Finding the Fourth Proportional to 11,693.16, 17,538.37 and 2,927.39

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Solution

The fourth proportional to 11,693.16, 17,538.37 and 2,927.39 is: 4,390.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,693.16 : 17,538.37 = 2,927.39 : x
  2. Step 2: Convert to fraction form
    11,693.16/17,538.37 = 2,927.39/x
  3. Step 3: Cross multiply
    11,693.16x = 17,538.37 × 2,927.39
  4. Step 4: Simplify right side
    11,693.16x = 51,341,669.06
  5. Step 5: Solve for x
    x = 51,341,669.06/11,693.16
  6. Step 6: Final answer
    x = 4,390.74

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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.