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Finding the Fourth Proportional to 69,427.76, 104,141.64 and 16,837.16

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Solution

The fourth proportional to 69,427.76, 104,141.64 and 16,837.16 is: 25,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,427.76 : 104,141.64 = 16,837.16 : x
  2. Step 2: Convert to fraction form
    69,427.76/104,141.64 = 16,837.16/x
  3. Step 3: Cross multiply
    69,427.76x = 104,141.64 × 16,837.16
  4. Step 4: Simplify right side
    69,427.76x = 1,753,449,455.34
  5. Step 5: Solve for x
    x = 1,753,449,455.34/69,427.76
  6. Step 6: Final answer
    x = 25,255.74

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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.