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Finding the Fourth Proportional to 17,907.48, 26,839.12 and 7,370.92

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Solution

The fourth proportional to 17,907.48, 26,839.12 and 7,370.92 is: 11,047.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.48 : 26,839.12 = 7,370.92 : x
  2. Step 2: Convert to fraction form
    17,907.48/26,839.12 = 7,370.92/x
  3. Step 3: Cross multiply
    17,907.48x = 26,839.12 × 7,370.92
  4. Step 4: Simplify right side
    17,907.48x = 197,829,131.55
  5. Step 5: Solve for x
    x = 197,829,131.55/17,907.48
  6. Step 6: Final answer
    x = 11,047.29

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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.