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Finding the Fourth Proportional to 27,153.60, 37,459.80 and 16,542.60

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Solution

The fourth proportional to 27,153.60, 37,459.80 and 16,542.60 is: 22,821.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.60 : 37,459.80 = 16,542.60 : x
  2. Step 2: Convert to fraction form
    27,153.60/37,459.80 = 16,542.60/x
  3. Step 3: Cross multiply
    27,153.60x = 37,459.80 × 16,542.60
  4. Step 4: Simplify right side
    27,153.60x = 619,682,487.48
  5. Step 5: Solve for x
    x = 619,682,487.48/27,153.60
  6. Step 6: Final answer
    x = 22,821.37

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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.