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Finding the Fourth Proportional to 17,954.73, 26,931.69 and 4,807.11

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Solution

The fourth proportional to 17,954.73, 26,931.69 and 4,807.11 is: 7,210.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,954.73 : 26,931.69 = 4,807.11 : x
  2. Step 2: Convert to fraction form
    17,954.73/26,931.69 = 4,807.11/x
  3. Step 3: Cross multiply
    17,954.73x = 26,931.69 × 4,807.11
  4. Step 4: Simplify right side
    17,954.73x = 129,463,596.32
  5. Step 5: Solve for x
    x = 129,463,596.32/17,954.73
  6. Step 6: Final answer
    x = 7,210.56

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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.