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Finding the Fourth Proportional to 27,503.82, 37,955.28 and 14,928.54

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Solution

The fourth proportional to 27,503.82, 37,955.28 and 14,928.54 is: 20,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.82 : 37,955.28 = 14,928.54 : x
  2. Step 2: Convert to fraction form
    27,503.82/37,955.28 = 14,928.54/x
  3. Step 3: Cross multiply
    27,503.82x = 37,955.28 × 14,928.54
  4. Step 4: Simplify right side
    27,503.82x = 566,616,915.69
  5. Step 5: Solve for x
    x = 566,616,915.69/27,503.82
  6. Step 6: Final answer
    x = 20,601.39

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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.