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Finding the Fourth Proportional to 17,658.36, 26,492.40 and 7,277.40

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Solution

The fourth proportional to 17,658.36, 26,492.40 and 7,277.40 is: 10,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.36 : 26,492.40 = 7,277.40 : x
  2. Step 2: Convert to fraction form
    17,658.36/26,492.40 = 7,277.40/x
  3. Step 3: Cross multiply
    17,658.36x = 26,492.40 × 7,277.40
  4. Step 4: Simplify right side
    17,658.36x = 192,795,791.76
  5. Step 5: Solve for x
    x = 192,795,791.76/17,658.36
  6. Step 6: Final answer
    x = 10,918.10

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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.