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Finding the Fourth Proportional to 17,862.99, 24,652.41 and 9,907.79

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Solution

The fourth proportional to 17,862.99, 24,652.41 and 9,907.79 is: 13,673.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,862.99 : 24,652.41 = 9,907.79 : x
  2. Step 2: Convert to fraction form
    17,862.99/24,652.41 = 9,907.79/x
  3. Step 3: Cross multiply
    17,862.99x = 24,652.41 × 9,907.79
  4. Step 4: Simplify right side
    17,862.99x = 244,250,778.01
  5. Step 5: Solve for x
    x = 244,250,778.01/17,862.99
  6. Step 6: Final answer
    x = 13,673.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.