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Finding the Fourth Proportional to 27,271.06, 40,913.17 and 9,499.12

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Solution

The fourth proportional to 27,271.06, 40,913.17 and 9,499.12 is: 14,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.06 : 40,913.17 = 9,499.12 : x
  2. Step 2: Convert to fraction form
    27,271.06/40,913.17 = 9,499.12/x
  3. Step 3: Cross multiply
    27,271.06x = 40,913.17 × 9,499.12
  4. Step 4: Simplify right side
    27,271.06x = 388,638,859.35
  5. Step 5: Solve for x
    x = 388,638,859.35/27,271.06
  6. Step 6: Final answer
    x = 14,250.97

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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.