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Finding the Fourth Proportional to 17,428.52, 26,142.81 and 6,901.01

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Solution

The fourth proportional to 17,428.52, 26,142.81 and 6,901.01 is: 10,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.52 : 26,142.81 = 6,901.01 : x
  2. Step 2: Convert to fraction form
    17,428.52/26,142.81 = 6,901.01/x
  3. Step 3: Cross multiply
    17,428.52x = 26,142.81 × 6,901.01
  4. Step 4: Simplify right side
    17,428.52x = 180,411,858.60
  5. Step 5: Solve for x
    x = 180,411,858.60/17,428.52
  6. Step 6: Final answer
    x = 10,351.53

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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.