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Finding the Fourth Proportional to 17,896.21, 24,696.66 and 9,938.47

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Solution

The fourth proportional to 17,896.21, 24,696.66 and 9,938.47 is: 13,715.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,896.21 : 24,696.66 = 9,938.47 : x
  2. Step 2: Convert to fraction form
    17,896.21/24,696.66 = 9,938.47/x
  3. Step 3: Cross multiply
    17,896.21x = 24,696.66 × 9,938.47
  4. Step 4: Simplify right side
    17,896.21x = 245,447,014.51
  5. Step 5: Solve for x
    x = 245,447,014.51/17,896.21
  6. Step 6: Final answer
    x = 13,715.03

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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.