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Finding the Fourth Proportional to 27,476.60, 37,918.14 and 16,147.60

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Solution

The fourth proportional to 27,476.60, 37,918.14 and 16,147.60 is: 22,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,476.60 : 37,918.14 = 16,147.60 : x
  2. Step 2: Convert to fraction form
    27,476.60/37,918.14 = 16,147.60/x
  3. Step 3: Cross multiply
    27,476.60x = 37,918.14 × 16,147.60
  4. Step 4: Simplify right side
    27,476.60x = 612,286,957.46
  5. Step 5: Solve for x
    x = 612,286,957.46/27,476.60
  6. Step 6: Final answer
    x = 22,283.94

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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.