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Finding the Fourth Proportional to 27,149.99, 40,713.68 and 10,500.41

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Solution

The fourth proportional to 27,149.99, 40,713.68 and 10,500.41 is: 15,746.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.99 : 40,713.68 = 10,500.41 : x
  2. Step 2: Convert to fraction form
    27,149.99/40,713.68 = 10,500.41/x
  3. Step 3: Cross multiply
    27,149.99x = 40,713.68 × 10,500.41
  4. Step 4: Simplify right side
    27,149.99x = 427,510,460.64
  5. Step 5: Solve for x
    x = 427,510,460.64/27,149.99
  6. Step 6: Final answer
    x = 15,746.25

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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.