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Finding the Fourth Proportional to 27,244.16, 40,918.08 and 16,928

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Solution

The fourth proportional to 27,244.16, 40,918.08 and 16,928 is: 25,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,244.16 : 40,918.08 = 16,928 : x
  2. Step 2: Convert to fraction form
    27,244.16/40,918.08 = 16,928/x
  3. Step 3: Cross multiply
    27,244.16x = 40,918.08 × 16,928
  4. Step 4: Simplify right side
    27,244.16x = 692,661,258.24
  5. Step 5: Solve for x
    x = 692,661,258.24/27,244.16
  6. Step 6: Final answer
    x = 25,424.21

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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.