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Finding the Fourth Proportional to 17,804.60, 26,709.85 and 7,943.50

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Solution

The fourth proportional to 17,804.60, 26,709.85 and 7,943.50 is: 11,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,804.60 : 26,709.85 = 7,943.50 : x
  2. Step 2: Convert to fraction form
    17,804.60/26,709.85 = 7,943.50/x
  3. Step 3: Cross multiply
    17,804.60x = 26,709.85 × 7,943.50
  4. Step 4: Simplify right side
    17,804.60x = 212,169,606.84
  5. Step 5: Solve for x
    x = 212,169,606.84/17,804.60
  6. Step 6: Final answer
    x = 11,916.56

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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.