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Finding the Fourth Proportional to 27,153.30, 40,707.96 and 10,504.80

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Solution

The fourth proportional to 27,153.30, 40,707.96 and 10,504.80 is: 15,748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,153.30 : 40,707.96 = 10,504.80 : x
  2. Step 2: Convert to fraction form
    27,153.30/40,707.96 = 10,504.80/x
  3. Step 3: Cross multiply
    27,153.30x = 40,707.96 × 10,504.80
  4. Step 4: Simplify right side
    27,153.30x = 427,628,978.21
  5. Step 5: Solve for x
    x = 427,628,978.21/27,153.30
  6. Step 6: Final answer
    x = 15,748.69

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1.5x scale

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.